Home / 89,614.40-123,665.76-49,327.04

Finding the Fourth Proportional to 89,614.40, 123,665.76 and 49,327.04

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Solution

The fourth proportional to 89,614.40, 123,665.76 and 49,327.04 is: 68,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.40 : 123,665.76 = 49,327.04 : x
  2. Step 2: Convert to fraction form
    89,614.40/123,665.76 = 49,327.04/x
  3. Step 3: Cross multiply
    89,614.40x = 123,665.76 × 49,327.04
  4. Step 4: Simplify right side
    89,614.40x = 6,100,065,890.15
  5. Step 5: Solve for x
    x = 6,100,065,890.15/89,614.40
  6. Step 6: Final answer
    x = 68,070.15

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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.