Home / 57,794.20-79,699.62-38,641.48

Finding the Fourth Proportional to 57,794.20, 79,699.62 and 38,641.48

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Solution

The fourth proportional to 57,794.20, 79,699.62 and 38,641.48 is: 53,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,794.20 : 79,699.62 = 38,641.48 : x
  2. Step 2: Convert to fraction form
    57,794.20/79,699.62 = 38,641.48/x
  3. Step 3: Cross multiply
    57,794.20x = 79,699.62 × 38,641.48
  4. Step 4: Simplify right side
    57,794.20x = 3,079,711,272.24
  5. Step 5: Solve for x
    x = 3,079,711,272.24/57,794.20
  6. Step 6: Final answer
    x = 53,287.55

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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.