Home / 84,355.31-126,574.20-36,963.90

Finding the Fourth Proportional to 84,355.31, 126,574.20 and 36,963.90

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Solution

The fourth proportional to 84,355.31, 126,574.20 and 36,963.90 is: 55,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,355.31 : 126,574.20 = 36,963.90 : x
  2. Step 2: Convert to fraction form
    84,355.31/126,574.20 = 36,963.90/x
  3. Step 3: Cross multiply
    84,355.31x = 126,574.20 × 36,963.90
  4. Step 4: Simplify right side
    84,355.31x = 4,678,676,071.38
  5. Step 5: Solve for x
    x = 4,678,676,071.38/84,355.31
  6. Step 6: Final answer
    x = 55,463.92

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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.