Home / 67,540.49-101,278.92-39,468.66

Finding the Fourth Proportional to 67,540.49, 101,278.92 and 39,468.66

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Solution

The fourth proportional to 67,540.49, 101,278.92 and 39,468.66 is: 59,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.49 : 101,278.92 = 39,468.66 : x
  2. Step 2: Convert to fraction form
    67,540.49/101,278.92 = 39,468.66/x
  3. Step 3: Cross multiply
    67,540.49x = 101,278.92 × 39,468.66
  4. Step 4: Simplify right side
    67,540.49x = 3,997,343,258.65
  5. Step 5: Solve for x
    x = 3,997,343,258.65/67,540.49
  6. Step 6: Final answer
    x = 59,184.40

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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.