Home / 62,637.38-86,389.34-55,067.66

Finding the Fourth Proportional to 62,637.38, 86,389.34 and 55,067.66

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Solution

The fourth proportional to 62,637.38, 86,389.34 and 55,067.66 is: 75,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,637.38 : 86,389.34 = 55,067.66 : x
  2. Step 2: Convert to fraction form
    62,637.38/86,389.34 = 55,067.66/x
  3. Step 3: Cross multiply
    62,637.38x = 86,389.34 × 55,067.66
  4. Step 4: Simplify right side
    62,637.38x = 4,757,258,802.74
  5. Step 5: Solve for x
    x = 4,757,258,802.74/62,637.38
  6. Step 6: Final answer
    x = 75,949.20

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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.