Home / 75,575.19-113,360.34-31,168.56

Finding the Fourth Proportional to 75,575.19, 113,360.34 and 31,168.56

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Solution

The fourth proportional to 75,575.19, 113,360.34 and 31,168.56 is: 46,751.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,575.19 : 113,360.34 = 31,168.56 : x
  2. Step 2: Convert to fraction form
    75,575.19/113,360.34 = 31,168.56/x
  3. Step 3: Cross multiply
    75,575.19x = 113,360.34 × 31,168.56
  4. Step 4: Simplify right side
    75,575.19x = 3,533,278,558.91
  5. Step 5: Solve for x
    x = 3,533,278,558.91/75,575.19
  6. Step 6: Final answer
    x = 46,751.83

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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.