Home / 92,139.20-127,150.56-51,852.95

Finding the Fourth Proportional to 92,139.20, 127,150.56 and 51,852.95

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Solution

The fourth proportional to 92,139.20, 127,150.56 and 51,852.95 is: 71,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,139.20 : 127,150.56 = 51,852.95 : x
  2. Step 2: Convert to fraction form
    92,139.20/127,150.56 = 51,852.95/x
  3. Step 3: Cross multiply
    92,139.20x = 127,150.56 × 51,852.95
  4. Step 4: Simplify right side
    92,139.20x = 6,593,131,630.15
  5. Step 5: Solve for x
    x = 6,593,131,630.15/92,139.20
  6. Step 6: Final answer
    x = 71,556.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.