Home / 55,043.57-82,565.42-52,238.81

Finding the Fourth Proportional to 55,043.57, 82,565.42 and 52,238.81

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Solution

The fourth proportional to 55,043.57, 82,565.42 and 52,238.81 is: 78,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,043.57 : 82,565.42 = 52,238.81 : x
  2. Step 2: Convert to fraction form
    55,043.57/82,565.42 = 52,238.81/x
  3. Step 3: Cross multiply
    55,043.57x = 82,565.42 × 52,238.81
  4. Step 4: Simplify right side
    55,043.57x = 4,313,118,613.93
  5. Step 5: Solve for x
    x = 4,313,118,613.93/55,043.57
  6. Step 6: Final answer
    x = 78,358.27

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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.