Home / 57,781.56-86,601.45-32,842.50

Finding the Fourth Proportional to 57,781.56, 86,601.45 and 32,842.50

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Solution

The fourth proportional to 57,781.56, 86,601.45 and 32,842.50 is: 49,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,781.56 : 86,601.45 = 32,842.50 : x
  2. Step 2: Convert to fraction form
    57,781.56/86,601.45 = 32,842.50/x
  3. Step 3: Cross multiply
    57,781.56x = 86,601.45 × 32,842.50
  4. Step 4: Simplify right side
    57,781.56x = 2,844,208,121.63
  5. Step 5: Solve for x
    x = 2,844,208,121.63/57,781.56
  6. Step 6: Final answer
    x = 49,223.46

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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.