Home / 48,607.90-67,091.39-31,654.40

Finding the Fourth Proportional to 48,607.90, 67,091.39 and 31,654.40

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Solution

The fourth proportional to 48,607.90, 67,091.39 and 31,654.40 is: 43,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,607.90 : 67,091.39 = 31,654.40 : x
  2. Step 2: Convert to fraction form
    48,607.90/67,091.39 = 31,654.40/x
  3. Step 3: Cross multiply
    48,607.90x = 67,091.39 × 31,654.40
  4. Step 4: Simplify right side
    48,607.90x = 2,123,737,320.59
  5. Step 5: Solve for x
    x = 2,123,737,320.59/48,607.90
  6. Step 6: Final answer
    x = 43,691.20

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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.