Home / 125,016.44-172,488.57-71,281.85

Finding the Fourth Proportional to 125,016.44, 172,488.57 and 71,281.85

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Solution

The fourth proportional to 125,016.44, 172,488.57 and 71,281.85 is: 98,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,016.44 : 172,488.57 = 71,281.85 : x
  2. Step 2: Convert to fraction form
    125,016.44/172,488.57 = 71,281.85/x
  3. Step 3: Cross multiply
    125,016.44x = 172,488.57 × 71,281.85
  4. Step 4: Simplify right side
    125,016.44x = 12,295,304,373.45
  5. Step 5: Solve for x
    x = 12,295,304,373.45/125,016.44
  6. Step 6: Final answer
    x = 98,349.50

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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.