Home / 71,182.81-98,229.54-42,507.29

Finding the Fourth Proportional to 71,182.81, 98,229.54 and 42,507.29

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Solution

The fourth proportional to 71,182.81, 98,229.54 and 42,507.29 is: 58,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,182.81 : 98,229.54 = 42,507.29 : x
  2. Step 2: Convert to fraction form
    71,182.81/98,229.54 = 42,507.29/x
  3. Step 3: Cross multiply
    71,182.81x = 98,229.54 × 42,507.29
  4. Step 4: Simplify right side
    71,182.81x = 4,175,471,543.35
  5. Step 5: Solve for x
    x = 4,175,471,543.35/71,182.81
  6. Step 6: Final answer
    x = 58,658.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.