Home / 57,763.65-86,648.55-18,323.85

Finding the Fourth Proportional to 57,763.65, 86,648.55 and 18,323.85

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Solution

The fourth proportional to 57,763.65, 86,648.55 and 18,323.85 is: 27,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.65 : 86,648.55 = 18,323.85 : x
  2. Step 2: Convert to fraction form
    57,763.65/86,648.55 = 18,323.85/x
  3. Step 3: Cross multiply
    57,763.65x = 86,648.55 × 18,323.85
  4. Step 4: Simplify right side
    57,763.65x = 1,587,735,032.92
  5. Step 5: Solve for x
    x = 1,587,735,032.92/57,763.65
  6. Step 6: Final answer
    x = 27,486.75

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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.