Home / 75,012.11-112,522.30-22,425.70

Finding the Fourth Proportional to 75,012.11, 112,522.30 and 22,425.70

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Solution

The fourth proportional to 75,012.11, 112,522.30 and 22,425.70 is: 33,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,012.11 : 112,522.30 = 22,425.70 : x
  2. Step 2: Convert to fraction form
    75,012.11/112,522.30 = 22,425.70/x
  3. Step 3: Cross multiply
    75,012.11x = 112,522.30 × 22,425.70
  4. Step 4: Simplify right side
    75,012.11x = 2,523,391,343.11
  5. Step 5: Solve for x
    x = 2,523,391,343.11/75,012.11
  6. Step 6: Final answer
    x = 33,639.79

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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.