Home / 77,546.32-116,377.44-30,168.88

Finding the Fourth Proportional to 77,546.32, 116,377.44 and 30,168.88

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Solution

The fourth proportional to 77,546.32, 116,377.44 and 30,168.88 is: 45,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.32 : 116,377.44 = 30,168.88 : x
  2. Step 2: Convert to fraction form
    77,546.32/116,377.44 = 30,168.88/x
  3. Step 3: Cross multiply
    77,546.32x = 116,377.44 × 30,168.88
  4. Step 4: Simplify right side
    77,546.32x = 3,510,977,022.07
  5. Step 5: Solve for x
    x = 3,510,977,022.07/77,546.32
  6. Step 6: Final answer
    x = 45,275.87

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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.