Home / 70,723.08-106,151.24-25,787.90

Finding the Fourth Proportional to 70,723.08, 106,151.24 and 25,787.90

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Solution

The fourth proportional to 70,723.08, 106,151.24 and 25,787.90 is: 38,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723.08 : 106,151.24 = 25,787.90 : x
  2. Step 2: Convert to fraction form
    70,723.08/106,151.24 = 25,787.90/x
  3. Step 3: Cross multiply
    70,723.08x = 106,151.24 × 25,787.90
  4. Step 4: Simplify right side
    70,723.08x = 2,737,417,891.84
  5. Step 5: Solve for x
    x = 2,737,417,891.84/70,723.08
  6. Step 6: Final answer
    x = 38,706.15

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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.