Home / 67,138.32-100,554.30-32,102.76

Finding the Fourth Proportional to 67,138.32, 100,554.30 and 32,102.76

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Solution

The fourth proportional to 67,138.32, 100,554.30 and 32,102.76 is: 48,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.32 : 100,554.30 = 32,102.76 : x
  2. Step 2: Convert to fraction form
    67,138.32/100,554.30 = 32,102.76/x
  3. Step 3: Cross multiply
    67,138.32x = 100,554.30 × 32,102.76
  4. Step 4: Simplify right side
    67,138.32x = 3,228,070,559.87
  5. Step 5: Solve for x
    x = 3,228,070,559.87/67,138.32
  6. Step 6: Final answer
    x = 48,080.90

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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.