Home / 50,185.68-75,278.84-15,125.20

Finding the Fourth Proportional to 50,185.68, 75,278.84 and 15,125.20

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Solution

The fourth proportional to 50,185.68, 75,278.84 and 15,125.20 is: 22,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,185.68 : 75,278.84 = 15,125.20 : x
  2. Step 2: Convert to fraction form
    50,185.68/75,278.84 = 15,125.20/x
  3. Step 3: Cross multiply
    50,185.68x = 75,278.84 × 15,125.20
  4. Step 4: Simplify right side
    50,185.68x = 1,138,607,510.77
  5. Step 5: Solve for x
    x = 1,138,607,510.77/50,185.68
  6. Step 6: Final answer
    x = 22,687.90

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Double scale
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Similar ratio
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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.