Home / 71,531.70-98,731.68-41,334.57

Finding the Fourth Proportional to 71,531.70, 98,731.68 and 41,334.57

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Solution

The fourth proportional to 71,531.70, 98,731.68 and 41,334.57 is: 57,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,531.70 : 98,731.68 = 41,334.57 : x
  2. Step 2: Convert to fraction form
    71,531.70/98,731.68 = 41,334.57/x
  3. Step 3: Cross multiply
    71,531.70x = 98,731.68 × 41,334.57
  4. Step 4: Simplify right side
    71,531.70x = 4,081,031,538.18
  5. Step 5: Solve for x
    x = 4,081,031,538.18/71,531.70
  6. Step 6: Final answer
    x = 57,052.07

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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.