Home / 88,080.96-132,121.07-31,907.92

Finding the Fourth Proportional to 88,080.96, 132,121.07 and 31,907.92

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Solution

The fourth proportional to 88,080.96, 132,121.07 and 31,907.92 is: 47,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.96 : 132,121.07 = 31,907.92 : x
  2. Step 2: Convert to fraction form
    88,080.96/132,121.07 = 31,907.92/x
  3. Step 3: Cross multiply
    88,080.96x = 132,121.07 × 31,907.92
  4. Step 4: Simplify right side
    88,080.96x = 4,215,708,531.87
  5. Step 5: Solve for x
    x = 4,215,708,531.87/88,080.96
  6. Step 6: Final answer
    x = 47,861.75

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1.5x scale

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.