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Finding the Fourth Proportional to 88,465.73, 122,092.79 and 52,655.85

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Solution

The fourth proportional to 88,465.73, 122,092.79 and 52,655.85 is: 72,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,465.73 : 122,092.79 = 52,655.85 : x
  2. Step 2: Convert to fraction form
    88,465.73/122,092.79 = 52,655.85/x
  3. Step 3: Cross multiply
    88,465.73x = 122,092.79 × 52,655.85
  4. Step 4: Simplify right side
    88,465.73x = 6,428,899,636.32
  5. Step 5: Solve for x
    x = 6,428,899,636.32/88,465.73
  6. Step 6: Final answer
    x = 72,671.07

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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.