Home / 88,370.32-132,459.07-43,422.61

Finding the Fourth Proportional to 88,370.32, 132,459.07 and 43,422.61

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Solution

The fourth proportional to 88,370.32, 132,459.07 and 43,422.61 is: 65,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,370.32 : 132,459.07 = 43,422.61 : x
  2. Step 2: Convert to fraction form
    88,370.32/132,459.07 = 43,422.61/x
  3. Step 3: Cross multiply
    88,370.32x = 132,459.07 × 43,422.61
  4. Step 4: Simplify right side
    88,370.32x = 5,751,718,537.57
  5. Step 5: Solve for x
    x = 5,751,718,537.57/88,370.32
  6. Step 6: Final answer
    x = 65,086.54

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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.