Home / 90,716.27-125,191.67-49,883.50

Finding the Fourth Proportional to 90,716.27, 125,191.67 and 49,883.50

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Solution

The fourth proportional to 90,716.27, 125,191.67 and 49,883.50 is: 68,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716.27 : 125,191.67 = 49,883.50 : x
  2. Step 2: Convert to fraction form
    90,716.27/125,191.67 = 49,883.50/x
  3. Step 3: Cross multiply
    90,716.27x = 125,191.67 × 49,883.50
  4. Step 4: Simplify right side
    90,716.27x = 6,244,998,013.61
  5. Step 5: Solve for x
    x = 6,244,998,013.61/90,716.27
  6. Step 6: Final answer
    x = 68,840.99

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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.