Home / 63,065.15-86,939.47-49,613.04

Finding the Fourth Proportional to 63,065.15, 86,939.47 and 49,613.04

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Solution

The fourth proportional to 63,065.15, 86,939.47 and 49,613.04 is: 68,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.15 : 86,939.47 = 49,613.04 : x
  2. Step 2: Convert to fraction form
    63,065.15/86,939.47 = 49,613.04/x
  3. Step 3: Cross multiply
    63,065.15x = 86,939.47 × 49,613.04
  4. Step 4: Simplify right side
    63,065.15x = 4,313,331,402.69
  5. Step 5: Solve for x
    x = 4,313,331,402.69/63,065.15
  6. Step 6: Final answer
    x = 68,394.85

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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.