Home / 82,921.30-124,430.13-34,886.39

Finding the Fourth Proportional to 82,921.30, 124,430.13 and 34,886.39

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Solution

The fourth proportional to 82,921.30, 124,430.13 and 34,886.39 is: 52,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.30 : 124,430.13 = 34,886.39 : x
  2. Step 2: Convert to fraction form
    82,921.30/124,430.13 = 34,886.39/x
  3. Step 3: Cross multiply
    82,921.30x = 124,430.13 × 34,886.39
  4. Step 4: Simplify right side
    82,921.30x = 4,340,917,420.78
  5. Step 5: Solve for x
    x = 4,340,917,420.78/82,921.30
  6. Step 6: Final answer
    x = 52,349.85

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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.