Home / 90,772.15-135,867.06-48,546.65

Finding the Fourth Proportional to 90,772.15, 135,867.06 and 48,546.65

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Solution

The fourth proportional to 90,772.15, 135,867.06 and 48,546.65 is: 72,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772.15 : 135,867.06 = 48,546.65 : x
  2. Step 2: Convert to fraction form
    90,772.15/135,867.06 = 48,546.65/x
  3. Step 3: Cross multiply
    90,772.15x = 135,867.06 × 48,546.65
  4. Step 4: Simplify right side
    90,772.15x = 6,595,889,929.01
  5. Step 5: Solve for x
    x = 6,595,889,929.01/90,772.15
  6. Step 6: Final answer
    x = 72,664.25

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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.