Home / 65,605.20-98,432.10-26,190.60

Finding the Fourth Proportional to 65,605.20, 98,432.10 and 26,190.60

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Solution

The fourth proportional to 65,605.20, 98,432.10 and 26,190.60 is: 39,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,605.20 : 98,432.10 = 26,190.60 : x
  2. Step 2: Convert to fraction form
    65,605.20/98,432.10 = 26,190.60/x
  3. Step 3: Cross multiply
    65,605.20x = 98,432.10 × 26,190.60
  4. Step 4: Simplify right side
    65,605.20x = 2,577,995,758.26
  5. Step 5: Solve for x
    x = 2,577,995,758.26/65,605.20
  6. Step 6: Final answer
    x = 39,295.60

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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.