Home / 84,827.34-127,240.20-51,556.59

Finding the Fourth Proportional to 84,827.34, 127,240.20 and 51,556.59

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Solution

The fourth proportional to 84,827.34, 127,240.20 and 51,556.59 is: 77,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.34 : 127,240.20 = 51,556.59 : x
  2. Step 2: Convert to fraction form
    84,827.34/127,240.20 = 51,556.59/x
  3. Step 3: Cross multiply
    84,827.34x = 127,240.20 × 51,556.59
  4. Step 4: Simplify right side
    84,827.34x = 6,560,070,822.92
  5. Step 5: Solve for x
    x = 6,560,070,822.92/84,827.34
  6. Step 6: Final answer
    x = 77,334.39

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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.