Home / 89,854.62-123,997.80-49,572.24

Finding the Fourth Proportional to 89,854.62, 123,997.80 and 49,572.24

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Solution

The fourth proportional to 89,854.62, 123,997.80 and 49,572.24 is: 68,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.62 : 123,997.80 = 49,572.24 : x
  2. Step 2: Convert to fraction form
    89,854.62/123,997.80 = 49,572.24/x
  3. Step 3: Cross multiply
    89,854.62x = 123,997.80 × 49,572.24
  4. Step 4: Simplify right side
    89,854.62x = 6,146,848,701.07
  5. Step 5: Solve for x
    x = 6,146,848,701.07/89,854.62
  6. Step 6: Final answer
    x = 68,408.82

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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.