Home / 71,532.06-98,717.61-39,701.22

Finding the Fourth Proportional to 71,532.06, 98,717.61 and 39,701.22

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Solution

The fourth proportional to 71,532.06, 98,717.61 and 39,701.22 is: 54,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,532.06 : 98,717.61 = 39,701.22 : x
  2. Step 2: Convert to fraction form
    71,532.06/98,717.61 = 39,701.22/x
  3. Step 3: Cross multiply
    71,532.06x = 98,717.61 × 39,701.22
  4. Step 4: Simplify right side
    71,532.06x = 3,919,209,552.48
  5. Step 5: Solve for x
    x = 3,919,209,552.48/71,532.06
  6. Step 6: Final answer
    x = 54,789.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.