Home / 88,613.56-122,217.60-56,785.42

Finding the Fourth Proportional to 88,613.56, 122,217.60 and 56,785.42

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Solution

The fourth proportional to 88,613.56, 122,217.60 and 56,785.42 is: 78,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.56 : 122,217.60 = 56,785.42 : x
  2. Step 2: Convert to fraction form
    88,613.56/122,217.60 = 56,785.42/x
  3. Step 3: Cross multiply
    88,613.56x = 122,217.60 × 56,785.42
  4. Step 4: Simplify right side
    88,613.56x = 6,940,177,747.39
  5. Step 5: Solve for x
    x = 6,940,177,747.39/88,613.56
  6. Step 6: Final answer
    x = 78,319.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.