Home / 81,607.96-112,619.82-45,310

Finding the Fourth Proportional to 81,607.96, 112,619.82 and 45,310

Calculator

Solution

The fourth proportional to 81,607.96, 112,619.82 and 45,310 is: 62,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,607.96 : 112,619.82 = 45,310 : x
  2. Step 2: Convert to fraction form
    81,607.96/112,619.82 = 45,310/x
  3. Step 3: Cross multiply
    81,607.96x = 112,619.82 × 45,310
  4. Step 4: Simplify right side
    81,607.96x = 5,102,804,044.20
  5. Step 5: Solve for x
    x = 5,102,804,044.20/81,607.96
  6. Step 6: Final answer
    x = 62,528.26

Related Problems

Find fourth proportional to 40,803.98, 56,309.91 and 22,655
Half scale
Find fourth proportional to 163,215.92, 225,239.64 and 90,620
Double scale
Find fourth proportional to 81,608.96, 112,621.20 and 45,311
Similar ratio
Find fourth proportional to 122,411.94, 168,929.73 and 67,965
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.