Home / 89,318.12-123,276.10-59,104.04

Finding the Fourth Proportional to 89,318.12, 123,276.10 and 59,104.04

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Solution

The fourth proportional to 89,318.12, 123,276.10 and 59,104.04 is: 81,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,318.12 : 123,276.10 = 59,104.04 : x
  2. Step 2: Convert to fraction form
    89,318.12/123,276.10 = 59,104.04/x
  3. Step 3: Cross multiply
    89,318.12x = 123,276.10 × 59,104.04
  4. Step 4: Simplify right side
    89,318.12x = 7,286,115,545.44
  5. Step 5: Solve for x
    x = 7,286,115,545.44/89,318.12
  6. Step 6: Final answer
    x = 81,574.89

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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.