Home / 75,949.38-113,824.98-54,960.12

Finding the Fourth Proportional to 75,949.38, 113,824.98 and 54,960.12

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Solution

The fourth proportional to 75,949.38, 113,824.98 and 54,960.12 is: 82,368.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,949.38 : 113,824.98 = 54,960.12 : x
  2. Step 2: Convert to fraction form
    75,949.38/113,824.98 = 54,960.12/x
  3. Step 3: Cross multiply
    75,949.38x = 113,824.98 × 54,960.12
  4. Step 4: Simplify right side
    75,949.38x = 6,255,834,559.80
  5. Step 5: Solve for x
    x = 6,255,834,559.80/75,949.38
  6. Step 6: Final answer
    x = 82,368.47

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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.