Home / 71,425.22-98,560.18-39,591.41

Finding the Fourth Proportional to 71,425.22, 98,560.18 and 39,591.41

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Solution

The fourth proportional to 71,425.22, 98,560.18 and 39,591.41 is: 54,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,425.22 : 98,560.18 = 39,591.41 : x
  2. Step 2: Convert to fraction form
    71,425.22/98,560.18 = 39,591.41/x
  3. Step 3: Cross multiply
    71,425.22x = 98,560.18 × 39,591.41
  4. Step 4: Simplify right side
    71,425.22x = 3,902,136,643.48
  5. Step 5: Solve for x
    x = 3,902,136,643.48/71,425.22
  6. Step 6: Final answer
    x = 54,632.47

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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.