Home / 86,815.56-119,799.82-48,568.56

Finding the Fourth Proportional to 86,815.56, 119,799.82 and 48,568.56

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Solution

The fourth proportional to 86,815.56, 119,799.82 and 48,568.56 is: 67,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.56 : 119,799.82 = 48,568.56 : x
  2. Step 2: Convert to fraction form
    86,815.56/119,799.82 = 48,568.56/x
  3. Step 3: Cross multiply
    86,815.56x = 119,799.82 × 48,568.56
  4. Step 4: Simplify right side
    86,815.56x = 5,818,504,745.66
  5. Step 5: Solve for x
    x = 5,818,504,745.66/86,815.56
  6. Step 6: Final answer
    x = 67,021.45

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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.