Home / 65,512.65-98,073.13-40,132.21

Finding the Fourth Proportional to 65,512.65, 98,073.13 and 40,132.21

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Solution

The fourth proportional to 65,512.65, 98,073.13 and 40,132.21 is: 60,078.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,512.65 : 98,073.13 = 40,132.21 : x
  2. Step 2: Convert to fraction form
    65,512.65/98,073.13 = 40,132.21/x
  3. Step 3: Cross multiply
    65,512.65x = 98,073.13 × 40,132.21
  4. Step 4: Simplify right side
    65,512.65x = 3,935,891,362.14
  5. Step 5: Solve for x
    x = 3,935,891,362.14/65,512.65
  6. Step 6: Final answer
    x = 60,078.34

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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.