Home / 71,545.17-98,736.93-41,331.78

Finding the Fourth Proportional to 71,545.17, 98,736.93 and 41,331.78

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Solution

The fourth proportional to 71,545.17, 98,736.93 and 41,331.78 is: 57,040.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,545.17 : 98,736.93 = 41,331.78 : x
  2. Step 2: Convert to fraction form
    71,545.17/98,736.93 = 41,331.78/x
  3. Step 3: Cross multiply
    71,545.17x = 98,736.93 × 41,331.78
  4. Step 4: Simplify right side
    71,545.17x = 4,080,973,068.64
  5. Step 5: Solve for x
    x = 4,080,973,068.64/71,545.17
  6. Step 6: Final answer
    x = 57,040.51

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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.