Home / 45,729.12-63,116.04-27,829.88

Finding the Fourth Proportional to 45,729.12, 63,116.04 and 27,829.88

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Solution

The fourth proportional to 45,729.12, 63,116.04 and 27,829.88 is: 38,411.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.12 : 63,116.04 = 27,829.88 : x
  2. Step 2: Convert to fraction form
    45,729.12/63,116.04 = 27,829.88/x
  3. Step 3: Cross multiply
    45,729.12x = 63,116.04 × 27,829.88
  4. Step 4: Simplify right side
    45,729.12x = 1,756,511,819.28
  5. Step 5: Solve for x
    x = 1,756,511,819.28/45,729.12
  6. Step 6: Final answer
    x = 38,411.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.