Home / 89,658.07-123,728.94-49,373.27

Finding the Fourth Proportional to 89,658.07, 123,728.94 and 49,373.27

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Solution

The fourth proportional to 89,658.07, 123,728.94 and 49,373.27 is: 68,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.07 : 123,728.94 = 49,373.27 : x
  2. Step 2: Convert to fraction form
    89,658.07/123,728.94 = 49,373.27/x
  3. Step 3: Cross multiply
    89,658.07x = 123,728.94 × 49,373.27
  4. Step 4: Simplify right side
    89,658.07x = 6,108,902,206.77
  5. Step 5: Solve for x
    x = 6,108,902,206.77/89,658.07
  6. Step 6: Final answer
    x = 68,135.56

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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.