Home / 71,502.05-98,648.39-40,853.16

Finding the Fourth Proportional to 71,502.05, 98,648.39 and 40,853.16

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Solution

The fourth proportional to 71,502.05, 98,648.39 and 40,853.16 is: 56,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,502.05 : 98,648.39 = 40,853.16 : x
  2. Step 2: Convert to fraction form
    71,502.05/98,648.39 = 40,853.16/x
  3. Step 3: Cross multiply
    71,502.05x = 98,648.39 × 40,853.16
  4. Step 4: Simplify right side
    71,502.05x = 4,030,098,275.55
  5. Step 5: Solve for x
    x = 4,030,098,275.55/71,502.05
  6. Step 6: Final answer
    x = 56,363.39

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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.