Home / 67,766.40-101,630.16-23,391.36

Finding the Fourth Proportional to 67,766.40, 101,630.16 and 23,391.36

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Solution

The fourth proportional to 67,766.40, 101,630.16 and 23,391.36 is: 35,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,766.40 : 101,630.16 = 23,391.36 : x
  2. Step 2: Convert to fraction form
    67,766.40/101,630.16 = 23,391.36/x
  3. Step 3: Cross multiply
    67,766.40x = 101,630.16 × 23,391.36
  4. Step 4: Simplify right side
    67,766.40x = 2,377,267,659.42
  5. Step 5: Solve for x
    x = 2,377,267,659.42/67,766.40
  6. Step 6: Final answer
    x = 35,080.33

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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.