Home / 89,891.61-123,998.04-57,614.73

Finding the Fourth Proportional to 89,891.61, 123,998.04 and 57,614.73

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Solution

The fourth proportional to 89,891.61, 123,998.04 and 57,614.73 is: 79,474.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891.61 : 123,998.04 = 57,614.73 : x
  2. Step 2: Convert to fraction form
    89,891.61/123,998.04 = 57,614.73/x
  3. Step 3: Cross multiply
    89,891.61x = 123,998.04 × 57,614.73
  4. Step 4: Simplify right side
    89,891.61x = 7,144,113,595.13
  5. Step 5: Solve for x
    x = 7,144,113,595.13/89,891.61
  6. Step 6: Final answer
    x = 79,474.75

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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.