Home / 75,500.91-113,080.46-43,439.49

Finding the Fourth Proportional to 75,500.91, 113,080.46 and 43,439.49

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Solution

The fourth proportional to 75,500.91, 113,080.46 and 43,439.49 is: 65,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,500.91 : 113,080.46 = 43,439.49 : x
  2. Step 2: Convert to fraction form
    75,500.91/113,080.46 = 43,439.49/x
  3. Step 3: Cross multiply
    75,500.91x = 113,080.46 × 43,439.49
  4. Step 4: Simplify right side
    75,500.91x = 4,912,157,294.17
  5. Step 5: Solve for x
    x = 4,912,157,294.17/75,500.91
  6. Step 6: Final answer
    x = 65,060.90

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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.