Home / 113,785.04-170,697.38-38,912.68

Finding the Fourth Proportional to 113,785.04, 170,697.38 and 38,912.68

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Solution

The fourth proportional to 113,785.04, 170,697.38 and 38,912.68 is: 58,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,785.04 : 170,697.38 = 38,912.68 : x
  2. Step 2: Convert to fraction form
    113,785.04/170,697.38 = 38,912.68/x
  3. Step 3: Cross multiply
    113,785.04x = 170,697.38 × 38,912.68
  4. Step 4: Simplify right side
    113,785.04x = 6,642,292,524.78
  5. Step 5: Solve for x
    x = 6,642,292,524.78/113,785.04
  6. Step 6: Final answer
    x = 58,375.80

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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.