Home / 127,344.48-191,039.78-41,959.90

Finding the Fourth Proportional to 127,344.48, 191,039.78 and 41,959.90

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Solution

The fourth proportional to 127,344.48, 191,039.78 and 41,959.90 is: 62,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,344.48 : 191,039.78 = 41,959.90 : x
  2. Step 2: Convert to fraction form
    127,344.48/191,039.78 = 41,959.90/x
  3. Step 3: Cross multiply
    127,344.48x = 191,039.78 × 41,959.90
  4. Step 4: Simplify right side
    127,344.48x = 8,016,010,064.82
  5. Step 5: Solve for x
    x = 8,016,010,064.82/127,344.48
  6. Step 6: Final answer
    x = 62,947.45

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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.