Home / 89,812.24-123,938.05-49,527.70

Finding the Fourth Proportional to 89,812.24, 123,938.05 and 49,527.70

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Solution

The fourth proportional to 89,812.24, 123,938.05 and 49,527.70 is: 68,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,812.24 : 123,938.05 = 49,527.70 : x
  2. Step 2: Convert to fraction form
    89,812.24/123,938.05 = 49,527.70/x
  3. Step 3: Cross multiply
    89,812.24x = 123,938.05 × 49,527.70
  4. Step 4: Simplify right side
    89,812.24x = 6,138,366,558.99
  5. Step 5: Solve for x
    x = 6,138,366,558.99/89,812.24
  6. Step 6: Final answer
    x = 68,346.66

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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.