Home / 88,010.20-132,015.30-43,643.80

Finding the Fourth Proportional to 88,010.20, 132,015.30 and 43,643.80

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Solution

The fourth proportional to 88,010.20, 132,015.30 and 43,643.80 is: 65,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,010.20 : 132,015.30 = 43,643.80 : x
  2. Step 2: Convert to fraction form
    88,010.20/132,015.30 = 43,643.80/x
  3. Step 3: Cross multiply
    88,010.20x = 132,015.30 × 43,643.80
  4. Step 4: Simplify right side
    88,010.20x = 5,761,649,350.14
  5. Step 5: Solve for x
    x = 5,761,649,350.14/88,010.20
  6. Step 6: Final answer
    x = 65,465.70

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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.