Home / 83,027.70-124,529.40-23,857.20

Finding the Fourth Proportional to 83,027.70, 124,529.40 and 23,857.20

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Solution

The fourth proportional to 83,027.70, 124,529.40 and 23,857.20 is: 35,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,027.70 : 124,529.40 = 23,857.20 : x
  2. Step 2: Convert to fraction form
    83,027.70/124,529.40 = 23,857.20/x
  3. Step 3: Cross multiply
    83,027.70x = 124,529.40 × 23,857.20
  4. Step 4: Simplify right side
    83,027.70x = 2,970,922,801.68
  5. Step 5: Solve for x
    x = 2,970,922,801.68/83,027.70
  6. Step 6: Final answer
    x = 35,782.31

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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.