Home / 89,446.70-123,385.04-55,854.38

Finding the Fourth Proportional to 89,446.70, 123,385.04 and 55,854.38

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Solution

The fourth proportional to 89,446.70, 123,385.04 and 55,854.38 is: 77,046.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,446.70 : 123,385.04 = 55,854.38 : x
  2. Step 2: Convert to fraction form
    89,446.70/123,385.04 = 55,854.38/x
  3. Step 3: Cross multiply
    89,446.70x = 123,385.04 × 55,854.38
  4. Step 4: Simplify right side
    89,446.70x = 6,891,594,433.19
  5. Step 5: Solve for x
    x = 6,891,594,433.19/89,446.70
  6. Step 6: Final answer
    x = 77,046.94

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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.