Home / 86,974.32-130,454.18-27,794.10

Finding the Fourth Proportional to 86,974.32, 130,454.18 and 27,794.10

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Solution

The fourth proportional to 86,974.32, 130,454.18 and 27,794.10 is: 41,688.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.32 : 130,454.18 = 27,794.10 : x
  2. Step 2: Convert to fraction form
    86,974.32/130,454.18 = 27,794.10/x
  3. Step 3: Cross multiply
    86,974.32x = 130,454.18 × 27,794.10
  4. Step 4: Simplify right side
    86,974.32x = 3,625,856,524.34
  5. Step 5: Solve for x
    x = 3,625,856,524.34/86,974.32
  6. Step 6: Final answer
    x = 41,688.82

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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.