Home / 89,624.66-123,681.06-49,337.55

Finding the Fourth Proportional to 89,624.66, 123,681.06 and 49,337.55

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Solution

The fourth proportional to 89,624.66, 123,681.06 and 49,337.55 is: 68,085.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,624.66 : 123,681.06 = 49,337.55 : x
  2. Step 2: Convert to fraction form
    89,624.66/123,681.06 = 49,337.55/x
  3. Step 3: Cross multiply
    89,624.66x = 123,681.06 × 49,337.55
  4. Step 4: Simplify right side
    89,624.66x = 6,102,120,481.80
  5. Step 5: Solve for x
    x = 6,102,120,481.80/89,624.66
  6. Step 6: Final answer
    x = 68,085.29

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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.