Home / 88,568.16-132,986.40-76,223.52

Finding the Fourth Proportional to 88,568.16, 132,986.40 and 76,223.52

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Solution

The fourth proportional to 88,568.16, 132,986.40 and 76,223.52 is: 114,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,568.16 : 132,986.40 = 76,223.52 : x
  2. Step 2: Convert to fraction form
    88,568.16/132,986.40 = 76,223.52/x
  3. Step 3: Cross multiply
    88,568.16x = 132,986.40 × 76,223.52
  4. Step 4: Simplify right side
    88,568.16x = 10,136,691,520.13
  5. Step 5: Solve for x
    x = 10,136,691,520.13/88,568.16
  6. Step 6: Final answer
    x = 114,450.74

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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.