Home / 91,972.01-137,956.61-25,410.66

Finding the Fourth Proportional to 91,972.01, 137,956.61 and 25,410.66

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Solution

The fourth proportional to 91,972.01, 137,956.61 and 25,410.66 is: 38,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,972.01 : 137,956.61 = 25,410.66 : x
  2. Step 2: Convert to fraction form
    91,972.01/137,956.61 = 25,410.66/x
  3. Step 3: Cross multiply
    91,972.01x = 137,956.61 × 25,410.66
  4. Step 4: Simplify right side
    91,972.01x = 3,505,568,384.41
  5. Step 5: Solve for x
    x = 3,505,568,384.41/91,972.01
  6. Step 6: Final answer
    x = 38,115.60

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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.