Home / 92,105.20-138,157.80-25,545.33

Finding the Fourth Proportional to 92,105.20, 138,157.80 and 25,545.33

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Solution

The fourth proportional to 92,105.20, 138,157.80 and 25,545.33 is: 38,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,105.20 : 138,157.80 = 25,545.33 : x
  2. Step 2: Convert to fraction form
    92,105.20/138,157.80 = 25,545.33/x
  3. Step 3: Cross multiply
    92,105.20x = 138,157.80 × 25,545.33
  4. Step 4: Simplify right side
    92,105.20x = 3,529,286,497.28
  5. Step 5: Solve for x
    x = 3,529,286,497.28/92,105.20
  6. Step 6: Final answer
    x = 38,317.99

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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.