Home / 76,711.34-115,082.70-32,338.10

Finding the Fourth Proportional to 76,711.34, 115,082.70 and 32,338.10

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Solution

The fourth proportional to 76,711.34, 115,082.70 and 32,338.10 is: 48,513.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,711.34 : 115,082.70 = 32,338.10 : x
  2. Step 2: Convert to fraction form
    76,711.34/115,082.70 = 32,338.10/x
  3. Step 3: Cross multiply
    76,711.34x = 115,082.70 × 32,338.10
  4. Step 4: Simplify right side
    76,711.34x = 3,721,555,860.87
  5. Step 5: Solve for x
    x = 3,721,555,860.87/76,711.34
  6. Step 6: Final answer
    x = 48,513.76

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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.