Home / 113,785.74-170,682.26-38,902.86

Finding the Fourth Proportional to 113,785.74, 170,682.26 and 38,902.86

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Solution

The fourth proportional to 113,785.74, 170,682.26 and 38,902.86 is: 58,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,785.74 : 170,682.26 = 38,902.86 : x
  2. Step 2: Convert to fraction form
    113,785.74/170,682.26 = 38,902.86/x
  3. Step 3: Cross multiply
    113,785.74x = 170,682.26 × 38,902.86
  4. Step 4: Simplify right side
    113,785.74x = 6,640,027,870.75
  5. Step 5: Solve for x
    x = 6,640,027,870.75/113,785.74
  6. Step 6: Final answer
    x = 58,355.54

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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.