Home / 127,101.05-175,393.56-69,738.94

Finding the Fourth Proportional to 127,101.05, 175,393.56 and 69,738.94

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Solution

The fourth proportional to 127,101.05, 175,393.56 and 69,738.94 is: 96,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,101.05 : 175,393.56 = 69,738.94 : x
  2. Step 2: Convert to fraction form
    127,101.05/175,393.56 = 69,738.94/x
  3. Step 3: Cross multiply
    127,101.05x = 175,393.56 × 69,738.94
  4. Step 4: Simplify right side
    127,101.05x = 12,231,761,437.99
  5. Step 5: Solve for x
    x = 12,231,761,437.99/127,101.05
  6. Step 6: Final answer
    x = 96,236.51

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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.