Home / 73,790.28-110,717.82-38,721.74

Finding the Fourth Proportional to 73,790.28, 110,717.82 and 38,721.74

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Solution

The fourth proportional to 73,790.28, 110,717.82 and 38,721.74 is: 58,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.28 : 110,717.82 = 38,721.74 : x
  2. Step 2: Convert to fraction form
    73,790.28/110,717.82 = 38,721.74/x
  3. Step 3: Cross multiply
    73,790.28x = 110,717.82 × 38,721.74
  4. Step 4: Simplify right side
    73,790.28x = 4,287,186,085.82
  5. Step 5: Solve for x
    x = 4,287,186,085.82/73,790.28
  6. Step 6: Final answer
    x = 58,099.60

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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.