Home / 112,843-155,723.34-62,545.24

Finding the Fourth Proportional to 112,843, 155,723.34 and 62,545.24

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Solution

The fourth proportional to 112,843, 155,723.34 and 62,545.24 is: 86,312.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,843 : 155,723.34 = 62,545.24 : x
  2. Step 2: Convert to fraction form
    112,843/155,723.34 = 62,545.24/x
  3. Step 3: Cross multiply
    112,843x = 155,723.34 × 62,545.24
  4. Step 4: Simplify right side
    112,843x = 9,739,753,673.90
  5. Step 5: Solve for x
    x = 9,739,753,673.90/112,843
  6. Step 6: Final answer
    x = 86,312.43

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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.