Home / 83,486.75-125,246.52-30,896.69

Finding the Fourth Proportional to 83,486.75, 125,246.52 and 30,896.69

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Solution

The fourth proportional to 83,486.75, 125,246.52 and 30,896.69 is: 46,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,486.75 : 125,246.52 = 30,896.69 : x
  2. Step 2: Convert to fraction form
    83,486.75/125,246.52 = 30,896.69/x
  3. Step 3: Cross multiply
    83,486.75x = 125,246.52 × 30,896.69
  4. Step 4: Simplify right side
    83,486.75x = 3,869,702,275.79
  5. Step 5: Solve for x
    x = 3,869,702,275.79/83,486.75
  6. Step 6: Final answer
    x = 46,351.10

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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.