Home / 62,661.36-86,422.28-55,091.48

Finding the Fourth Proportional to 62,661.36, 86,422.28 and 55,091.48

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Solution

The fourth proportional to 62,661.36, 86,422.28 and 55,091.48 is: 75,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,661.36 : 86,422.28 = 55,091.48 : x
  2. Step 2: Convert to fraction form
    62,661.36/86,422.28 = 55,091.48/x
  3. Step 3: Cross multiply
    62,661.36x = 86,422.28 × 55,091.48
  4. Step 4: Simplify right side
    62,661.36x = 4,761,131,310.17
  5. Step 5: Solve for x
    x = 4,761,131,310.17/62,661.36
  6. Step 6: Final answer
    x = 75,981.93

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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.