Home / 83,581.32-125,283.90-27,406.77

Finding the Fourth Proportional to 83,581.32, 125,283.90 and 27,406.77

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Solution

The fourth proportional to 83,581.32, 125,283.90 and 27,406.77 is: 41,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.32 : 125,283.90 = 27,406.77 : x
  2. Step 2: Convert to fraction form
    83,581.32/125,283.90 = 27,406.77/x
  3. Step 3: Cross multiply
    83,581.32x = 125,283.90 × 27,406.77
  4. Step 4: Simplify right side
    83,581.32x = 3,433,627,032.00
  5. Step 5: Solve for x
    x = 3,433,627,032.00/83,581.32
  6. Step 6: Final answer
    x = 41,081.27

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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.