Home / 115,046.20-172,466.70-44,909.20

Finding the Fourth Proportional to 115,046.20, 172,466.70 and 44,909.20

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Solution

The fourth proportional to 115,046.20, 172,466.70 and 44,909.20 is: 67,323.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,046.20 : 172,466.70 = 44,909.20 : x
  2. Step 2: Convert to fraction form
    115,046.20/172,466.70 = 44,909.20/x
  3. Step 3: Cross multiply
    115,046.20x = 172,466.70 × 44,909.20
  4. Step 4: Simplify right side
    115,046.20x = 7,745,341,523.64
  5. Step 5: Solve for x
    x = 7,745,341,523.64/115,046.20
  6. Step 6: Final answer
    x = 67,323.75

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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.