Home / 57,089.90-78,800.91-33,227.18

Finding the Fourth Proportional to 57,089.90, 78,800.91 and 33,227.18

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Solution

The fourth proportional to 57,089.90, 78,800.91 and 33,227.18 is: 45,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,089.90 : 78,800.91 = 33,227.18 : x
  2. Step 2: Convert to fraction form
    57,089.90/78,800.91 = 33,227.18/x
  3. Step 3: Cross multiply
    57,089.90x = 78,800.91 × 33,227.18
  4. Step 4: Simplify right side
    57,089.90x = 2,618,332,020.73
  5. Step 5: Solve for x
    x = 2,618,332,020.73/57,089.90
  6. Step 6: Final answer
    x = 45,863.31

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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.