Home / 81,589.48-122,385.57-22,424.79

Finding the Fourth Proportional to 81,589.48, 122,385.57 and 22,424.79

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Solution

The fourth proportional to 81,589.48, 122,385.57 and 22,424.79 is: 33,637.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,589.48 : 122,385.57 = 22,424.79 : x
  2. Step 2: Convert to fraction form
    81,589.48/122,385.57 = 22,424.79/x
  3. Step 3: Cross multiply
    81,589.48x = 122,385.57 × 22,424.79
  4. Step 4: Simplify right side
    81,589.48x = 2,744,470,706.28
  5. Step 5: Solve for x
    x = 2,744,470,706.28/81,589.48
  6. Step 6: Final answer
    x = 33,637.56

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1.5x scale

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.