Home / 83,918.68-115,844.06-60,003.80

Finding the Fourth Proportional to 83,918.68, 115,844.06 and 60,003.80

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Solution

The fourth proportional to 83,918.68, 115,844.06 and 60,003.80 is: 82,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,918.68 : 115,844.06 = 60,003.80 : x
  2. Step 2: Convert to fraction form
    83,918.68/115,844.06 = 60,003.80/x
  3. Step 3: Cross multiply
    83,918.68x = 115,844.06 × 60,003.80
  4. Step 4: Simplify right side
    83,918.68x = 6,951,083,807.43
  5. Step 5: Solve for x
    x = 6,951,083,807.43/83,918.68
  6. Step 6: Final answer
    x = 82,831.19

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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.