Home / 62,637.12-86,389.01-55,067.40

Finding the Fourth Proportional to 62,637.12, 86,389.01 and 55,067.40

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Solution

The fourth proportional to 62,637.12, 86,389.01 and 55,067.40 is: 75,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,637.12 : 86,389.01 = 55,067.40 : x
  2. Step 2: Convert to fraction form
    62,637.12/86,389.01 = 55,067.40/x
  3. Step 3: Cross multiply
    62,637.12x = 86,389.01 × 55,067.40
  4. Step 4: Simplify right side
    62,637.12x = 4,757,217,893.94
  5. Step 5: Solve for x
    x = 4,757,217,893.94/62,637.12
  6. Step 6: Final answer
    x = 75,948.86

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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.