Home / 89,635.10-134,452.65-75,200.90

Finding the Fourth Proportional to 89,635.10, 134,452.65 and 75,200.90

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Solution

The fourth proportional to 89,635.10, 134,452.65 and 75,200.90 is: 112,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.10 : 134,452.65 = 75,200.90 : x
  2. Step 2: Convert to fraction form
    89,635.10/134,452.65 = 75,200.90/x
  3. Step 3: Cross multiply
    89,635.10x = 134,452.65 × 75,200.90
  4. Step 4: Simplify right side
    89,635.10x = 10,110,960,287.39
  5. Step 5: Solve for x
    x = 10,110,960,287.39/89,635.10
  6. Step 6: Final answer
    x = 112,801.35

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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.