Home / 108,301.09-149,395.48-62,974.08

Finding the Fourth Proportional to 108,301.09, 149,395.48 and 62,974.08

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Solution

The fourth proportional to 108,301.09, 149,395.48 and 62,974.08 is: 86,869.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,301.09 : 149,395.48 = 62,974.08 : x
  2. Step 2: Convert to fraction form
    108,301.09/149,395.48 = 62,974.08/x
  3. Step 3: Cross multiply
    108,301.09x = 149,395.48 × 62,974.08
  4. Step 4: Simplify right side
    108,301.09x = 9,408,042,909.16
  5. Step 5: Solve for x
    x = 9,408,042,909.16/108,301.09
  6. Step 6: Final answer
    x = 86,869.33

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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.