Home / 57,834.78-86,285.50-51,523.88

Finding the Fourth Proportional to 57,834.78, 86,285.50 and 51,523.88

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Solution

The fourth proportional to 57,834.78, 86,285.50 and 51,523.88 is: 76,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,834.78 : 86,285.50 = 51,523.88 : x
  2. Step 2: Convert to fraction form
    57,834.78/86,285.50 = 51,523.88/x
  3. Step 3: Cross multiply
    57,834.78x = 86,285.50 × 51,523.88
  4. Step 4: Simplify right side
    57,834.78x = 4,445,763,747.74
  5. Step 5: Solve for x
    x = 4,445,763,747.74/57,834.78
  6. Step 6: Final answer
    x = 76,870.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.