Home / 71,472-107,187.84-29,867.52

Finding the Fourth Proportional to 71,472, 107,187.84 and 29,867.52

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Solution

The fourth proportional to 71,472, 107,187.84 and 29,867.52 is: 44,792.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,472 : 107,187.84 = 29,867.52 : x
  2. Step 2: Convert to fraction form
    71,472/107,187.84 = 29,867.52/x
  3. Step 3: Cross multiply
    71,472x = 107,187.84 × 29,867.52
  4. Step 4: Simplify right side
    71,472x = 3,201,434,954.96
  5. Step 5: Solve for x
    x = 3,201,434,954.96/71,472
  6. Step 6: Final answer
    x = 44,792.86

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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.