Home / 67,519.40-101,284.02-23,145.78

Finding the Fourth Proportional to 67,519.40, 101,284.02 and 23,145.78

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Solution

The fourth proportional to 67,519.40, 101,284.02 and 23,145.78 is: 34,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,519.40 : 101,284.02 = 23,145.78 : x
  2. Step 2: Convert to fraction form
    67,519.40/101,284.02 = 23,145.78/x
  3. Step 3: Cross multiply
    67,519.40x = 101,284.02 × 23,145.78
  4. Step 4: Simplify right side
    67,519.40x = 2,344,297,644.44
  5. Step 5: Solve for x
    x = 2,344,297,644.44/67,519.40
  6. Step 6: Final answer
    x = 34,720.36

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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.