Home / 88,613.43-122,217.42-56,785.29

Finding the Fourth Proportional to 88,613.43, 122,217.42 and 56,785.29

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Solution

The fourth proportional to 88,613.43, 122,217.42 and 56,785.29 is: 78,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,613.43 : 122,217.42 = 56,785.29 : x
  2. Step 2: Convert to fraction form
    88,613.43/122,217.42 = 56,785.29/x
  3. Step 3: Cross multiply
    88,613.43x = 122,217.42 × 56,785.29
  4. Step 4: Simplify right side
    88,613.43x = 6,940,151,637.75
  5. Step 5: Solve for x
    x = 6,940,151,637.75/88,613.43
  6. Step 6: Final answer
    x = 78,319.41

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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.