Home / 88,300.20-132,450.30-29,132.74

Finding the Fourth Proportional to 88,300.20, 132,450.30 and 29,132.74

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Solution

The fourth proportional to 88,300.20, 132,450.30 and 29,132.74 is: 43,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,300.20 : 132,450.30 = 29,132.74 : x
  2. Step 2: Convert to fraction form
    88,300.20/132,450.30 = 29,132.74/x
  3. Step 3: Cross multiply
    88,300.20x = 132,450.30 × 29,132.74
  4. Step 4: Simplify right side
    88,300.20x = 3,858,639,821.70
  5. Step 5: Solve for x
    x = 3,858,639,821.70/88,300.20
  6. Step 6: Final answer
    x = 43,699.11

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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.