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Finding the Fourth Proportional to 92,337.57, 127,347.02 and 63,702.90

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Solution

The fourth proportional to 92,337.57, 127,347.02 and 63,702.90 is: 87,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,337.57 : 127,347.02 = 63,702.90 : x
  2. Step 2: Convert to fraction form
    92,337.57/127,347.02 = 63,702.90/x
  3. Step 3: Cross multiply
    92,337.57x = 127,347.02 × 63,702.90
  4. Step 4: Simplify right side
    92,337.57x = 8,112,374,639.62
  5. Step 5: Solve for x
    x = 8,112,374,639.62/92,337.57
  6. Step 6: Final answer
    x = 87,855.63

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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.