Home / 81,170.01-112,014.28-45,360.01

Finding the Fourth Proportional to 81,170.01, 112,014.28 and 45,360.01

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Solution

The fourth proportional to 81,170.01, 112,014.28 and 45,360.01 is: 62,596.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,170.01 : 112,014.28 = 45,360.01 : x
  2. Step 2: Convert to fraction form
    81,170.01/112,014.28 = 45,360.01/x
  3. Step 3: Cross multiply
    81,170.01x = 112,014.28 × 45,360.01
  4. Step 4: Simplify right side
    81,170.01x = 5,080,968,187.47
  5. Step 5: Solve for x
    x = 5,080,968,187.47/81,170.01
  6. Step 6: Final answer
    x = 62,596.62

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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.