Home / 78,807.06-108,753.35-42,996.96

Finding the Fourth Proportional to 78,807.06, 108,753.35 and 42,996.96

Calculator

Solution

The fourth proportional to 78,807.06, 108,753.35 and 42,996.96 is: 59,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,807.06 : 108,753.35 = 42,996.96 : x
  2. Step 2: Convert to fraction form
    78,807.06/108,753.35 = 42,996.96/x
  3. Step 3: Cross multiply
    78,807.06x = 108,753.35 × 42,996.96
  4. Step 4: Simplify right side
    78,807.06x = 4,676,063,224.83
  5. Step 5: Solve for x
    x = 4,676,063,224.83/78,807.06
  6. Step 6: Final answer
    x = 59,335.59

Related Problems

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.