Home / 75,761.11-113,630.72-23,156.47

Finding the Fourth Proportional to 75,761.11, 113,630.72 and 23,156.47

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Solution

The fourth proportional to 75,761.11, 113,630.72 and 23,156.47 is: 34,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,761.11 : 113,630.72 = 23,156.47 : x
  2. Step 2: Convert to fraction form
    75,761.11/113,630.72 = 23,156.47/x
  3. Step 3: Cross multiply
    75,761.11x = 113,630.72 × 23,156.47
  4. Step 4: Simplify right side
    75,761.11x = 2,631,286,358.76
  5. Step 5: Solve for x
    x = 2,631,286,358.76/75,761.11
  6. Step 6: Final answer
    x = 34,731.36

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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.