Home / 89,299.87-123,233.73-49,013.74

Finding the Fourth Proportional to 89,299.87, 123,233.73 and 49,013.74

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Solution

The fourth proportional to 89,299.87, 123,233.73 and 49,013.74 is: 67,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299.87 : 123,233.73 = 49,013.74 : x
  2. Step 2: Convert to fraction form
    89,299.87/123,233.73 = 49,013.74/x
  3. Step 3: Cross multiply
    89,299.87x = 123,233.73 × 49,013.74
  4. Step 4: Simplify right side
    89,299.87x = 6,040,146,001.45
  5. Step 5: Solve for x
    x = 6,040,146,001.45/89,299.87
  6. Step 6: Final answer
    x = 67,638.91

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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.