Home / 82,887.06-124,330.48-38,489.54

Finding the Fourth Proportional to 82,887.06, 124,330.48 and 38,489.54

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Solution

The fourth proportional to 82,887.06, 124,330.48 and 38,489.54 is: 57,734.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.06 : 124,330.48 = 38,489.54 : x
  2. Step 2: Convert to fraction form
    82,887.06/124,330.48 = 38,489.54/x
  3. Step 3: Cross multiply
    82,887.06x = 124,330.48 × 38,489.54
  4. Step 4: Simplify right side
    82,887.06x = 4,785,422,265.30
  5. Step 5: Solve for x
    x = 4,785,422,265.30/82,887.06
  6. Step 6: Final answer
    x = 57,734.25

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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.