Home / 101,680.30-152,544.66-35,120.98

Finding the Fourth Proportional to 101,680.30, 152,544.66 and 35,120.98

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Solution

The fourth proportional to 101,680.30, 152,544.66 and 35,120.98 is: 52,689.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680.30 : 152,544.66 = 35,120.98 : x
  2. Step 2: Convert to fraction form
    101,680.30/152,544.66 = 35,120.98/x
  3. Step 3: Cross multiply
    101,680.30x = 152,544.66 × 35,120.98
  4. Step 4: Simplify right side
    101,680.30x = 5,357,517,952.97
  5. Step 5: Solve for x
    x = 5,357,517,952.97/101,680.30
  6. Step 6: Final answer
    x = 52,689.83

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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.