Home / 89,854.05-123,994.17-54,037.11

Finding the Fourth Proportional to 89,854.05, 123,994.17 and 54,037.11

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Solution

The fourth proportional to 89,854.05, 123,994.17 and 54,037.11 is: 74,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.05 : 123,994.17 = 54,037.11 : x
  2. Step 2: Convert to fraction form
    89,854.05/123,994.17 = 54,037.11/x
  3. Step 3: Cross multiply
    89,854.05x = 123,994.17 × 54,037.11
  4. Step 4: Simplify right side
    89,854.05x = 6,700,286,603.65
  5. Step 5: Solve for x
    x = 6,700,286,603.65/89,854.05
  6. Step 6: Final answer
    x = 74,568.55

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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.