Home / 71,546.28-107,321.70-35,988.18

Finding the Fourth Proportional to 71,546.28, 107,321.70 and 35,988.18

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Solution

The fourth proportional to 71,546.28, 107,321.70 and 35,988.18 is: 53,983.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.28 : 107,321.70 = 35,988.18 : x
  2. Step 2: Convert to fraction form
    71,546.28/107,321.70 = 35,988.18/x
  3. Step 3: Cross multiply
    71,546.28x = 107,321.70 × 35,988.18
  4. Step 4: Simplify right side
    71,546.28x = 3,862,312,657.51
  5. Step 5: Solve for x
    x = 3,862,312,657.51/71,546.28
  6. Step 6: Final answer
    x = 53,983.42

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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.