Home / 89,722.27-123,816.13-49,435.12

Finding the Fourth Proportional to 89,722.27, 123,816.13 and 49,435.12

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Solution

The fourth proportional to 89,722.27, 123,816.13 and 49,435.12 is: 68,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,722.27 : 123,816.13 = 49,435.12 : x
  2. Step 2: Convert to fraction form
    89,722.27/123,816.13 = 49,435.12/x
  3. Step 3: Cross multiply
    89,722.27x = 123,816.13 × 49,435.12
  4. Step 4: Simplify right side
    89,722.27x = 6,120,865,244.49
  5. Step 5: Solve for x
    x = 6,120,865,244.49/89,722.27
  6. Step 6: Final answer
    x = 68,220.13

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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.