Home / 67,488.20-101,261.10-32,409.80

Finding the Fourth Proportional to 67,488.20, 101,261.10 and 32,409.80

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Solution

The fourth proportional to 67,488.20, 101,261.10 and 32,409.80 is: 48,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,488.20 : 101,261.10 = 32,409.80 : x
  2. Step 2: Convert to fraction form
    67,488.20/101,261.10 = 32,409.80/x
  3. Step 3: Cross multiply
    67,488.20x = 101,261.10 × 32,409.80
  4. Step 4: Simplify right side
    67,488.20x = 3,281,851,998.78
  5. Step 5: Solve for x
    x = 3,281,851,998.78/67,488.20
  6. Step 6: Final answer
    x = 48,628.53

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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.