Home / 83,002.19-114,539.62-49,021.61

Finding the Fourth Proportional to 83,002.19, 114,539.62 and 49,021.61

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Solution

The fourth proportional to 83,002.19, 114,539.62 and 49,021.61 is: 67,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,002.19 : 114,539.62 = 49,021.61 : x
  2. Step 2: Convert to fraction form
    83,002.19/114,539.62 = 49,021.61/x
  3. Step 3: Cross multiply
    83,002.19x = 114,539.62 × 49,021.61
  4. Step 4: Simplify right side
    83,002.19x = 5,614,916,581.19
  5. Step 5: Solve for x
    x = 5,614,916,581.19/83,002.19
  6. Step 6: Final answer
    x = 67,647.81

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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.