Home / 87,545.04-131,358.59-43,147.58

Finding the Fourth Proportional to 87,545.04, 131,358.59 and 43,147.58

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Solution

The fourth proportional to 87,545.04, 131,358.59 and 43,147.58 is: 64,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,545.04 : 131,358.59 = 43,147.58 : x
  2. Step 2: Convert to fraction form
    87,545.04/131,358.59 = 43,147.58/x
  3. Step 3: Cross multiply
    87,545.04x = 131,358.59 × 43,147.58
  4. Step 4: Simplify right side
    87,545.04x = 5,667,804,398.18
  5. Step 5: Solve for x
    x = 5,667,804,398.18/87,545.04
  6. Step 6: Final answer
    x = 64,741.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.