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Finding the Fourth Proportional to 88,884.47, 122,668.14 and 50,655.71

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Solution

The fourth proportional to 88,884.47, 122,668.14 and 50,655.71 is: 69,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.47 : 122,668.14 = 50,655.71 : x
  2. Step 2: Convert to fraction form
    88,884.47/122,668.14 = 50,655.71/x
  3. Step 3: Cross multiply
    88,884.47x = 122,668.14 × 50,655.71
  4. Step 4: Simplify right side
    88,884.47x = 6,213,841,726.08
  5. Step 5: Solve for x
    x = 6,213,841,726.08/88,884.47
  6. Step 6: Final answer
    x = 69,909.19

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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.