Home / 65,817.20-98,663.51-40,532.25

Finding the Fourth Proportional to 65,817.20, 98,663.51 and 40,532.25

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Solution

The fourth proportional to 65,817.20, 98,663.51 and 40,532.25 is: 60,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,817.20 : 98,663.51 = 40,532.25 : x
  2. Step 2: Convert to fraction form
    65,817.20/98,663.51 = 40,532.25/x
  3. Step 3: Cross multiply
    65,817.20x = 98,663.51 × 40,532.25
  4. Step 4: Simplify right side
    65,817.20x = 3,999,053,850.54
  5. Step 5: Solve for x
    x = 3,999,053,850.54/65,817.20
  6. Step 6: Final answer
    x = 60,760.02

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1.5x scale

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.