Home / 84,826.77-127,223.74-25,648.57

Finding the Fourth Proportional to 84,826.77, 127,223.74 and 25,648.57

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Solution

The fourth proportional to 84,826.77, 127,223.74 and 25,648.57 is: 38,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,826.77 : 127,223.74 = 25,648.57 : x
  2. Step 2: Convert to fraction form
    84,826.77/127,223.74 = 25,648.57/x
  3. Step 3: Cross multiply
    84,826.77x = 127,223.74 × 25,648.57
  4. Step 4: Simplify right side
    84,826.77x = 3,263,107,001.05
  5. Step 5: Solve for x
    x = 3,263,107,001.05/84,826.77
  6. Step 6: Final answer
    x = 38,467.89

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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.