Home / 83,110.67-124,676.73-38,121.16

Finding the Fourth Proportional to 83,110.67, 124,676.73 and 38,121.16

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Solution

The fourth proportional to 83,110.67, 124,676.73 and 38,121.16 is: 57,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,110.67 : 124,676.73 = 38,121.16 : x
  2. Step 2: Convert to fraction form
    83,110.67/124,676.73 = 38,121.16/x
  3. Step 3: Cross multiply
    83,110.67x = 124,676.73 × 38,121.16
  4. Step 4: Simplify right side
    83,110.67x = 4,752,821,197.64
  5. Step 5: Solve for x
    x = 4,752,821,197.64/83,110.67
  6. Step 6: Final answer
    x = 57,186.65

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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.