Home / 86,344.56-119,154.78-48,103.74

Finding the Fourth Proportional to 86,344.56, 119,154.78 and 48,103.74

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Solution

The fourth proportional to 86,344.56, 119,154.78 and 48,103.74 is: 66,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,344.56 : 119,154.78 = 48,103.74 : x
  2. Step 2: Convert to fraction form
    86,344.56/119,154.78 = 48,103.74/x
  3. Step 3: Cross multiply
    86,344.56x = 119,154.78 × 48,103.74
  4. Step 4: Simplify right side
    86,344.56x = 5,731,790,556.88
  5. Step 5: Solve for x
    x = 5,731,790,556.88/86,344.56
  6. Step 6: Final answer
    x = 66,382.76

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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.