Home / 82,887.44-124,331.04-38,489.91

Finding the Fourth Proportional to 82,887.44, 124,331.04 and 38,489.91

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Solution

The fourth proportional to 82,887.44, 124,331.04 and 38,489.91 is: 57,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.44 : 124,331.04 = 38,489.91 : x
  2. Step 2: Convert to fraction form
    82,887.44/124,331.04 = 38,489.91/x
  3. Step 3: Cross multiply
    82,887.44x = 124,331.04 × 38,489.91
  4. Step 4: Simplify right side
    82,887.44x = 4,785,490,539.81
  5. Step 5: Solve for x
    x = 4,785,490,539.81/82,887.44
  6. Step 6: Final answer
    x = 57,734.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.