Home / 57,972.20-86,828.70-44,781.80

Finding the Fourth Proportional to 57,972.20, 86,828.70 and 44,781.80

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Solution

The fourth proportional to 57,972.20, 86,828.70 and 44,781.80 is: 67,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.20 : 86,828.70 = 44,781.80 : x
  2. Step 2: Convert to fraction form
    57,972.20/86,828.70 = 44,781.80/x
  3. Step 3: Cross multiply
    57,972.20x = 86,828.70 × 44,781.80
  4. Step 4: Simplify right side
    57,972.20x = 3,888,345,477.66
  5. Step 5: Solve for x
    x = 3,888,345,477.66/57,972.20
  6. Step 6: Final answer
    x = 67,072.59

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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.