Home / 83,962.68-115,863.66-50,422.20

Finding the Fourth Proportional to 83,962.68, 115,863.66 and 50,422.20

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Solution

The fourth proportional to 83,962.68, 115,863.66 and 50,422.20 is: 69,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962.68 : 115,863.66 = 50,422.20 : x
  2. Step 2: Convert to fraction form
    83,962.68/115,863.66 = 50,422.20/x
  3. Step 3: Cross multiply
    83,962.68x = 115,863.66 × 50,422.20
  4. Step 4: Simplify right side
    83,962.68x = 5,842,100,637.25
  5. Step 5: Solve for x
    x = 5,842,100,637.25/83,962.68
  6. Step 6: Final answer
    x = 69,579.73

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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.