Home / 86,481.62-119,350.12-48,758.30

Finding the Fourth Proportional to 86,481.62, 119,350.12 and 48,758.30

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Solution

The fourth proportional to 86,481.62, 119,350.12 and 48,758.30 is: 67,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.62 : 119,350.12 = 48,758.30 : x
  2. Step 2: Convert to fraction form
    86,481.62/119,350.12 = 48,758.30/x
  3. Step 3: Cross multiply
    86,481.62x = 119,350.12 × 48,758.30
  4. Step 4: Simplify right side
    86,481.62x = 5,819,308,956.00
  5. Step 5: Solve for x
    x = 5,819,308,956.00/86,481.62
  6. Step 6: Final answer
    x = 67,289.55

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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.