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Finding the Fourth Proportional to 88,863.48, 133,348.95 and 38,946.42

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Solution

The fourth proportional to 88,863.48, 133,348.95 and 38,946.42 is: 58,443.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,863.48 : 133,348.95 = 38,946.42 : x
  2. Step 2: Convert to fraction form
    88,863.48/133,348.95 = 38,946.42/x
  3. Step 3: Cross multiply
    88,863.48x = 133,348.95 × 38,946.42
  4. Step 4: Simplify right side
    88,863.48x = 5,193,464,213.26
  5. Step 5: Solve for x
    x = 5,193,464,213.26/88,863.48
  6. Step 6: Final answer
    x = 58,443.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.