Home / 95,382.16-143,040.20-47,978.93

Finding the Fourth Proportional to 95,382.16, 143,040.20 and 47,978.93

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Solution

The fourth proportional to 95,382.16, 143,040.20 and 47,978.93 is: 71,951.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,382.16 : 143,040.20 = 47,978.93 : x
  2. Step 2: Convert to fraction form
    95,382.16/143,040.20 = 47,978.93/x
  3. Step 3: Cross multiply
    95,382.16x = 143,040.20 × 47,978.93
  4. Step 4: Simplify right side
    95,382.16x = 6,862,915,860.69
  5. Step 5: Solve for x
    x = 6,862,915,860.69/95,382.16
  6. Step 6: Final answer
    x = 71,951.78

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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.