Home / 89,318.12-123,233.76-57,505.44

Finding the Fourth Proportional to 89,318.12, 123,233.76 and 57,505.44

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Solution

The fourth proportional to 89,318.12, 123,233.76 and 57,505.44 is: 79,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,318.12 : 123,233.76 = 57,505.44 : x
  2. Step 2: Convert to fraction form
    89,318.12/123,233.76 = 57,505.44/x
  3. Step 3: Cross multiply
    89,318.12x = 123,233.76 × 57,505.44
  4. Step 4: Simplify right side
    89,318.12x = 7,086,611,591.65
  5. Step 5: Solve for x
    x = 7,086,611,591.65/89,318.12
  6. Step 6: Final answer
    x = 79,341.25

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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.