Home / 90,641.94-135,823.18-48,527.61

Finding the Fourth Proportional to 90,641.94, 135,823.18 and 48,527.61

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Solution

The fourth proportional to 90,641.94, 135,823.18 and 48,527.61 is: 72,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,641.94 : 135,823.18 = 48,527.61 : x
  2. Step 2: Convert to fraction form
    90,641.94/135,823.18 = 48,527.61/x
  3. Step 3: Cross multiply
    90,641.94x = 135,823.18 × 48,527.61
  4. Step 4: Simplify right side
    90,641.94x = 6,591,174,308.00
  5. Step 5: Solve for x
    x = 6,591,174,308.00/90,641.94
  6. Step 6: Final answer
    x = 72,716.61

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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.