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Finding the Fourth Proportional to 88,671.60, 122,363.44 and 50,432.64

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Solution

The fourth proportional to 88,671.60, 122,363.44 and 50,432.64 is: 69,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,671.60 : 122,363.44 = 50,432.64 : x
  2. Step 2: Convert to fraction form
    88,671.60/122,363.44 = 50,432.64/x
  3. Step 3: Cross multiply
    88,671.60x = 122,363.44 × 50,432.64
  4. Step 4: Simplify right side
    88,671.60x = 6,171,111,318.68
  5. Step 5: Solve for x
    x = 6,171,111,318.68/88,671.60
  6. Step 6: Final answer
    x = 69,595.13

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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.