Home / 63,938.80-95,908.20-57,815.20

Finding the Fourth Proportional to 63,938.80, 95,908.20 and 57,815.20

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Solution

The fourth proportional to 63,938.80, 95,908.20 and 57,815.20 is: 86,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,938.80 : 95,908.20 = 57,815.20 : x
  2. Step 2: Convert to fraction form
    63,938.80/95,908.20 = 57,815.20/x
  3. Step 3: Cross multiply
    63,938.80x = 95,908.20 × 57,815.20
  4. Step 4: Simplify right side
    63,938.80x = 5,544,951,764.64
  5. Step 5: Solve for x
    x = 5,544,951,764.64/63,938.80
  6. Step 6: Final answer
    x = 86,722.80

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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.