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Finding the Fourth Proportional to 92,641.20, 127,841.52 and 52,354.08

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Solution

The fourth proportional to 92,641.20, 127,841.52 and 52,354.08 is: 72,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,641.20 : 127,841.52 = 52,354.08 : x
  2. Step 2: Convert to fraction form
    92,641.20/127,841.52 = 52,354.08/x
  3. Step 3: Cross multiply
    92,641.20x = 127,841.52 × 52,354.08
  4. Step 4: Simplify right side
    92,641.20x = 6,693,025,165.40
  5. Step 5: Solve for x
    x = 6,693,025,165.40/92,641.20
  6. Step 6: Final answer
    x = 72,246.75

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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.