Home / 76,378.60-114,521.88-34,251.07

Finding the Fourth Proportional to 76,378.60, 114,521.88 and 34,251.07

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Solution

The fourth proportional to 76,378.60, 114,521.88 and 34,251.07 is: 51,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,378.60 : 114,521.88 = 34,251.07 : x
  2. Step 2: Convert to fraction form
    76,378.60/114,521.88 = 34,251.07/x
  3. Step 3: Cross multiply
    76,378.60x = 114,521.88 × 34,251.07
  4. Step 4: Simplify right side
    76,378.60x = 3,922,496,184.55
  5. Step 5: Solve for x
    x = 3,922,496,184.55/76,378.60
  6. Step 6: Final answer
    x = 51,355.96

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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.