Home / 127,719.06-191,578.05-38,972.27

Finding the Fourth Proportional to 127,719.06, 191,578.05 and 38,972.27

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Solution

The fourth proportional to 127,719.06, 191,578.05 and 38,972.27 is: 58,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,719.06 : 191,578.05 = 38,972.27 : x
  2. Step 2: Convert to fraction form
    127,719.06/191,578.05 = 38,972.27/x
  3. Step 3: Cross multiply
    127,719.06x = 191,578.05 × 38,972.27
  4. Step 4: Simplify right side
    127,719.06x = 7,466,230,532.78
  5. Step 5: Solve for x
    x = 7,466,230,532.78/127,719.06
  6. Step 6: Final answer
    x = 58,458.23

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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.