Home / 108,729.74-163,065.09-29,825.30

Finding the Fourth Proportional to 108,729.74, 163,065.09 and 29,825.30

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Solution

The fourth proportional to 108,729.74, 163,065.09 and 29,825.30 is: 44,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,729.74 : 163,065.09 = 29,825.30 : x
  2. Step 2: Convert to fraction form
    108,729.74/163,065.09 = 29,825.30/x
  3. Step 3: Cross multiply
    108,729.74x = 163,065.09 × 29,825.30
  4. Step 4: Simplify right side
    108,729.74x = 4,863,465,228.78
  5. Step 5: Solve for x
    x = 4,863,465,228.78/108,729.74
  6. Step 6: Final answer
    x = 44,729.85

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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.