Home / 108,769.20-163,067.40-59,521.20

Finding the Fourth Proportional to 108,769.20, 163,067.40 and 59,521.20

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Solution

The fourth proportional to 108,769.20, 163,067.40 and 59,521.20 is: 89,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,769.20 : 163,067.40 = 59,521.20 : x
  2. Step 2: Convert to fraction form
    108,769.20/163,067.40 = 59,521.20/x
  3. Step 3: Cross multiply
    108,769.20x = 163,067.40 × 59,521.20
  4. Step 4: Simplify right side
    108,769.20x = 9,705,967,328.88
  5. Step 5: Solve for x
    x = 9,705,967,328.88/108,769.20
  6. Step 6: Final answer
    x = 89,234.52

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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.