Home / 110,879.28-152,974.98-63,120.47

Finding the Fourth Proportional to 110,879.28, 152,974.98 and 63,120.47

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Solution

The fourth proportional to 110,879.28, 152,974.98 and 63,120.47 is: 87,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,879.28 : 152,974.98 = 63,120.47 : x
  2. Step 2: Convert to fraction form
    110,879.28/152,974.98 = 63,120.47/x
  3. Step 3: Cross multiply
    110,879.28x = 152,974.98 × 63,120.47
  4. Step 4: Simplify right side
    110,879.28x = 9,655,851,870.97
  5. Step 5: Solve for x
    x = 9,655,851,870.97/110,879.28
  6. Step 6: Final answer
    x = 87,084.37

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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.