Home / 75,324.08-113,023.20-53,279.12

Finding the Fourth Proportional to 75,324.08, 113,023.20 and 53,279.12

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Solution

The fourth proportional to 75,324.08, 113,023.20 and 53,279.12 is: 79,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,324.08 : 113,023.20 = 53,279.12 : x
  2. Step 2: Convert to fraction form
    75,324.08/113,023.20 = 53,279.12/x
  3. Step 3: Cross multiply
    75,324.08x = 113,023.20 × 53,279.12
  4. Step 4: Simplify right side
    75,324.08x = 6,021,776,635.58
  5. Step 5: Solve for x
    x = 6,021,776,635.58/75,324.08
  6. Step 6: Final answer
    x = 79,944.91

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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.