Home / 67,823.20-101,733.20-18,575.20

Finding the Fourth Proportional to 67,823.20, 101,733.20 and 18,575.20

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Solution

The fourth proportional to 67,823.20, 101,733.20 and 18,575.20 is: 27,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,823.20 : 101,733.20 = 18,575.20 : x
  2. Step 2: Convert to fraction form
    67,823.20/101,733.20 = 18,575.20/x
  3. Step 3: Cross multiply
    67,823.20x = 101,733.20 × 18,575.20
  4. Step 4: Simplify right side
    67,823.20x = 1,889,714,536.64
  5. Step 5: Solve for x
    x = 1,889,714,536.64/67,823.20
  6. Step 6: Final answer
    x = 27,862.36

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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.