Home / 83,115.77-124,676.18-26,954.33

Finding the Fourth Proportional to 83,115.77, 124,676.18 and 26,954.33

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Solution

The fourth proportional to 83,115.77, 124,676.18 and 26,954.33 is: 40,432.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,115.77 : 124,676.18 = 26,954.33 : x
  2. Step 2: Convert to fraction form
    83,115.77/124,676.18 = 26,954.33/x
  3. Step 3: Cross multiply
    83,115.77x = 124,676.18 × 26,954.33
  4. Step 4: Simplify right side
    83,115.77x = 3,360,563,176.86
  5. Step 5: Solve for x
    x = 3,360,563,176.86/83,115.77
  6. Step 6: Final answer
    x = 40,432.32

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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.