Home / 83,512.26-115,246.78-45,788.94

Finding the Fourth Proportional to 83,512.26, 115,246.78 and 45,788.94

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Solution

The fourth proportional to 83,512.26, 115,246.78 and 45,788.94 is: 63,188.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,512.26 : 115,246.78 = 45,788.94 : x
  2. Step 2: Convert to fraction form
    83,512.26/115,246.78 = 45,788.94/x
  3. Step 3: Cross multiply
    83,512.26x = 115,246.78 × 45,788.94
  4. Step 4: Simplify right side
    83,512.26x = 5,277,027,894.61
  5. Step 5: Solve for x
    x = 5,277,027,894.61/83,512.26
  6. Step 6: Final answer
    x = 63,188.66

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1.5x scale

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.