Home / 90,112.97-124,350.57-49,823.57

Finding the Fourth Proportional to 90,112.97, 124,350.57 and 49,823.57

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Solution

The fourth proportional to 90,112.97, 124,350.57 and 49,823.57 is: 68,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,112.97 : 124,350.57 = 49,823.57 : x
  2. Step 2: Convert to fraction form
    90,112.97/124,350.57 = 49,823.57/x
  3. Step 3: Cross multiply
    90,112.97x = 124,350.57 × 49,823.57
  4. Step 4: Simplify right side
    90,112.97x = 6,195,588,707.18
  5. Step 5: Solve for x
    x = 6,195,588,707.18/90,112.97
  6. Step 6: Final answer
    x = 68,753.58

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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.