Home / 57,660.90-86,614.25-54,290.18

Finding the Fourth Proportional to 57,660.90, 86,614.25 and 54,290.18

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Solution

The fourth proportional to 57,660.90, 86,614.25 and 54,290.18 is: 81,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,660.90 : 86,614.25 = 54,290.18 : x
  2. Step 2: Convert to fraction form
    57,660.90/86,614.25 = 54,290.18/x
  3. Step 3: Cross multiply
    57,660.90x = 86,614.25 × 54,290.18
  4. Step 4: Simplify right side
    57,660.90x = 4,702,302,518.54
  5. Step 5: Solve for x
    x = 4,702,302,518.54/57,660.90
  6. Step 6: Final answer
    x = 81,550.97

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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.