Home / 90,996.56-136,482.18-34,850.79

Finding the Fourth Proportional to 90,996.56, 136,482.18 and 34,850.79

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Solution

The fourth proportional to 90,996.56, 136,482.18 and 34,850.79 is: 52,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,996.56 : 136,482.18 = 34,850.79 : x
  2. Step 2: Convert to fraction form
    90,996.56/136,482.18 = 34,850.79/x
  3. Step 3: Cross multiply
    90,996.56x = 136,482.18 × 34,850.79
  4. Step 4: Simplify right side
    90,996.56x = 4,756,511,793.92
  5. Step 5: Solve for x
    x = 4,756,511,793.92/90,996.56
  6. Step 6: Final answer
    x = 52,271.34

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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.