Home / 71,613.38-107,383.14-49,158.36

Finding the Fourth Proportional to 71,613.38, 107,383.14 and 49,158.36

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Solution

The fourth proportional to 71,613.38, 107,383.14 and 49,158.36 is: 73,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.38 : 107,383.14 = 49,158.36 : x
  2. Step 2: Convert to fraction form
    71,613.38/107,383.14 = 49,158.36/x
  3. Step 3: Cross multiply
    71,613.38x = 107,383.14 × 49,158.36
  4. Step 4: Simplify right side
    71,613.38x = 5,278,779,054.05
  5. Step 5: Solve for x
    x = 5,278,779,054.05/71,613.38
  6. Step 6: Final answer
    x = 73,712.19

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1.5x scale

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.