Home / 83,179.44-124,731.36-53,786.16

Finding the Fourth Proportional to 83,179.44, 124,731.36 and 53,786.16

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Solution

The fourth proportional to 83,179.44, 124,731.36 and 53,786.16 is: 80,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,179.44 : 124,731.36 = 53,786.16 : x
  2. Step 2: Convert to fraction form
    83,179.44/124,731.36 = 53,786.16/x
  3. Step 3: Cross multiply
    83,179.44x = 124,731.36 × 53,786.16
  4. Step 4: Simplify right side
    83,179.44x = 6,708,820,885.98
  5. Step 5: Solve for x
    x = 6,708,820,885.98/83,179.44
  6. Step 6: Final answer
    x = 80,654.80

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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.