Home / 91,787.80-137,655.24-25,230.10

Finding the Fourth Proportional to 91,787.80, 137,655.24 and 25,230.10

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Solution

The fourth proportional to 91,787.80, 137,655.24 and 25,230.10 is: 37,837.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,787.80 : 137,655.24 = 25,230.10 : x
  2. Step 2: Convert to fraction form
    91,787.80/137,655.24 = 25,230.10/x
  3. Step 3: Cross multiply
    91,787.80x = 137,655.24 × 25,230.10
  4. Step 4: Simplify right side
    91,787.80x = 3,473,055,344.57
  5. Step 5: Solve for x
    x = 3,473,055,344.57/91,787.80
  6. Step 6: Final answer
    x = 37,837.88

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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.