Home / 77,544.32-116,374.44-30,166.88

Finding the Fourth Proportional to 77,544.32, 116,374.44 and 30,166.88

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Solution

The fourth proportional to 77,544.32, 116,374.44 and 30,166.88 is: 45,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,544.32 : 116,374.44 = 30,166.88 : x
  2. Step 2: Convert to fraction form
    77,544.32/116,374.44 = 30,166.88/x
  3. Step 3: Cross multiply
    77,544.32x = 116,374.44 × 30,166.88
  4. Step 4: Simplify right side
    77,544.32x = 3,510,653,766.55
  5. Step 5: Solve for x
    x = 3,510,653,766.55/77,544.32
  6. Step 6: Final answer
    x = 45,272.87

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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.