Home / 89,387.48-123,348.66-49,102.94

Finding the Fourth Proportional to 89,387.48, 123,348.66 and 49,102.94

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Solution

The fourth proportional to 89,387.48, 123,348.66 and 49,102.94 is: 67,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,387.48 : 123,348.66 = 49,102.94 : x
  2. Step 2: Convert to fraction form
    89,387.48/123,348.66 = 49,102.94/x
  3. Step 3: Cross multiply
    89,387.48x = 123,348.66 × 49,102.94
  4. Step 4: Simplify right side
    89,387.48x = 6,056,781,851.06
  5. Step 5: Solve for x
    x = 6,056,781,851.06/89,387.48
  6. Step 6: Final answer
    x = 67,758.73

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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.