Home / 83,614.35-115,387.80-50,080.35

Finding the Fourth Proportional to 83,614.35, 115,387.80 and 50,080.35

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Solution

The fourth proportional to 83,614.35, 115,387.80 and 50,080.35 is: 69,110.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,614.35 : 115,387.80 = 50,080.35 : x
  2. Step 2: Convert to fraction form
    83,614.35/115,387.80 = 50,080.35/x
  3. Step 3: Cross multiply
    83,614.35x = 115,387.80 × 50,080.35
  4. Step 4: Simplify right side
    83,614.35x = 5,778,660,582.39
  5. Step 5: Solve for x
    x = 5,778,660,582.39/83,614.35
  6. Step 6: Final answer
    x = 69,110.88

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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.