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Finding the Fourth Proportional to 92,659.38, 127,874.34 and 52,374.84

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Solution

The fourth proportional to 92,659.38, 127,874.34 and 52,374.84 is: 72,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.38 : 127,874.34 = 52,374.84 : x
  2. Step 2: Convert to fraction form
    92,659.38/127,874.34 = 52,374.84/x
  3. Step 3: Cross multiply
    92,659.38x = 127,874.34 × 52,374.84
  4. Step 4: Simplify right side
    92,659.38x = 6,697,398,097.61
  5. Step 5: Solve for x
    x = 6,697,398,097.61/92,659.38
  6. Step 6: Final answer
    x = 72,279.76

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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.