Home / 81,613.55-122,367.27-34,259.13

Finding the Fourth Proportional to 81,613.55, 122,367.27 and 34,259.13

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Solution

The fourth proportional to 81,613.55, 122,367.27 and 34,259.13 is: 51,366.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,613.55 : 122,367.27 = 34,259.13 : x
  2. Step 2: Convert to fraction form
    81,613.55/122,367.27 = 34,259.13/x
  3. Step 3: Cross multiply
    81,613.55x = 122,367.27 × 34,259.13
  4. Step 4: Simplify right side
    81,613.55x = 4,192,196,210.68
  5. Step 5: Solve for x
    x = 4,192,196,210.68/81,613.55
  6. Step 6: Final answer
    x = 51,366.42

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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.