Home / 77,318.17-115,780.37-50,942.95

Finding the Fourth Proportional to 77,318.17, 115,780.37 and 50,942.95

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Solution

The fourth proportional to 77,318.17, 115,780.37 and 50,942.95 is: 76,284.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,318.17 : 115,780.37 = 50,942.95 : x
  2. Step 2: Convert to fraction form
    77,318.17/115,780.37 = 50,942.95/x
  3. Step 3: Cross multiply
    77,318.17x = 115,780.37 × 50,942.95
  4. Step 4: Simplify right side
    77,318.17x = 5,898,193,599.89
  5. Step 5: Solve for x
    x = 5,898,193,599.89/77,318.17
  6. Step 6: Final answer
    x = 76,284.70

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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.