Home / 57,740.50-86,613.27-18,300.52

Finding the Fourth Proportional to 57,740.50, 86,613.27 and 18,300.52

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Solution

The fourth proportional to 57,740.50, 86,613.27 and 18,300.52 is: 27,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.50 : 86,613.27 = 18,300.52 : x
  2. Step 2: Convert to fraction form
    57,740.50/86,613.27 = 18,300.52/x
  3. Step 3: Cross multiply
    57,740.50x = 86,613.27 × 18,300.52
  4. Step 4: Simplify right side
    57,740.50x = 1,585,067,879.90
  5. Step 5: Solve for x
    x = 1,585,067,879.90/57,740.50
  6. Step 6: Final answer
    x = 27,451.58

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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.