Home / 75,622.75-113,504.28-38,209.11

Finding the Fourth Proportional to 75,622.75, 113,504.28 and 38,209.11

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Solution

The fourth proportional to 75,622.75, 113,504.28 and 38,209.11 is: 57,349.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,622.75 : 113,504.28 = 38,209.11 : x
  2. Step 2: Convert to fraction form
    75,622.75/113,504.28 = 38,209.11/x
  3. Step 3: Cross multiply
    75,622.75x = 113,504.28 × 38,209.11
  4. Step 4: Simplify right side
    75,622.75x = 4,336,897,519.99
  5. Step 5: Solve for x
    x = 4,336,897,519.99/75,622.75
  6. Step 6: Final answer
    x = 57,349.11

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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.