Home / 44,721.60-67,081.28-11,441.76

Finding the Fourth Proportional to 44,721.60, 67,081.28 and 11,441.76

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Solution

The fourth proportional to 44,721.60, 67,081.28 and 11,441.76 is: 17,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,721.60 : 67,081.28 = 11,441.76 : x
  2. Step 2: Convert to fraction form
    44,721.60/67,081.28 = 11,441.76/x
  3. Step 3: Cross multiply
    44,721.60x = 67,081.28 × 11,441.76
  4. Step 4: Simplify right side
    44,721.60x = 767,527,906.25
  5. Step 5: Solve for x
    x = 767,527,906.25/44,721.60
  6. Step 6: Final answer
    x = 17,162.35

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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.