Home / 88,440.20-132,314.70-57,336.20

Finding the Fourth Proportional to 88,440.20, 132,314.70 and 57,336.20

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Solution

The fourth proportional to 88,440.20, 132,314.70 and 57,336.20 is: 85,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,440.20 : 132,314.70 = 57,336.20 : x
  2. Step 2: Convert to fraction form
    88,440.20/132,314.70 = 57,336.20/x
  3. Step 3: Cross multiply
    88,440.20x = 132,314.70 × 57,336.20
  4. Step 4: Simplify right side
    88,440.20x = 7,586,422,102.14
  5. Step 5: Solve for x
    x = 7,586,422,102.14/88,440.20
  6. Step 6: Final answer
    x = 85,780.25

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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.