Home / 67,422.24-101,117.04-20,675.52

Finding the Fourth Proportional to 67,422.24, 101,117.04 and 20,675.52

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Solution

The fourth proportional to 67,422.24, 101,117.04 and 20,675.52 is: 31,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,422.24 : 101,117.04 = 20,675.52 : x
  2. Step 2: Convert to fraction form
    67,422.24/101,117.04 = 20,675.52/x
  3. Step 3: Cross multiply
    67,422.24x = 101,117.04 × 20,675.52
  4. Step 4: Simplify right side
    67,422.24x = 2,090,647,382.86
  5. Step 5: Solve for x
    x = 2,090,647,382.86/67,422.24
  6. Step 6: Final answer
    x = 31,008.28

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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.