Home / 84,709.06-127,061.43-22,380.10

Finding the Fourth Proportional to 84,709.06, 127,061.43 and 22,380.10

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Solution

The fourth proportional to 84,709.06, 127,061.43 and 22,380.10 is: 33,569.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,709.06 : 127,061.43 = 22,380.10 : x
  2. Step 2: Convert to fraction form
    84,709.06/127,061.43 = 22,380.10/x
  3. Step 3: Cross multiply
    84,709.06x = 127,061.43 × 22,380.10
  4. Step 4: Simplify right side
    84,709.06x = 2,843,647,509.54
  5. Step 5: Solve for x
    x = 2,843,647,509.54/84,709.06
  6. Step 6: Final answer
    x = 33,569.58

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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.