Home / 82,407.52-123,512.40-37,973.28

Finding the Fourth Proportional to 82,407.52, 123,512.40 and 37,973.28

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Solution

The fourth proportional to 82,407.52, 123,512.40 and 37,973.28 is: 56,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,407.52 : 123,512.40 = 37,973.28 : x
  2. Step 2: Convert to fraction form
    82,407.52/123,512.40 = 37,973.28/x
  3. Step 3: Cross multiply
    82,407.52x = 123,512.40 × 37,973.28
  4. Step 4: Simplify right side
    82,407.52x = 4,690,170,948.67
  5. Step 5: Solve for x
    x = 4,690,170,948.67/82,407.52
  6. Step 6: Final answer
    x = 56,914.36

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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.