Home / 65,744.20-98,681.10-32,501.80

Finding the Fourth Proportional to 65,744.20, 98,681.10 and 32,501.80

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Solution

The fourth proportional to 65,744.20, 98,681.10 and 32,501.80 is: 48,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,744.20 : 98,681.10 = 32,501.80 : x
  2. Step 2: Convert to fraction form
    65,744.20/98,681.10 = 32,501.80/x
  3. Step 3: Cross multiply
    65,744.20x = 98,681.10 × 32,501.80
  4. Step 4: Simplify right side
    65,744.20x = 3,207,313,375.98
  5. Step 5: Solve for x
    x = 3,207,313,375.98/65,744.20
  6. Step 6: Final answer
    x = 48,784.74

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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.