Home / 63,911.38-88,357.14-47,968.15

Finding the Fourth Proportional to 63,911.38, 88,357.14 and 47,968.15

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Solution

The fourth proportional to 63,911.38, 88,357.14 and 47,968.15 is: 66,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.38 : 88,357.14 = 47,968.15 : x
  2. Step 2: Convert to fraction form
    63,911.38/88,357.14 = 47,968.15/x
  3. Step 3: Cross multiply
    63,911.38x = 88,357.14 × 47,968.15
  4. Step 4: Simplify right side
    63,911.38x = 4,238,328,545.09
  5. Step 5: Solve for x
    x = 4,238,328,545.09/63,911.38
  6. Step 6: Final answer
    x = 66,315.71

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1.5x scale

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.