Home / 76,628.85-114,793.80-43,247.94

Finding the Fourth Proportional to 76,628.85, 114,793.80 and 43,247.94

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Solution

The fourth proportional to 76,628.85, 114,793.80 and 43,247.94 is: 64,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628.85 : 114,793.80 = 43,247.94 : x
  2. Step 2: Convert to fraction form
    76,628.85/114,793.80 = 43,247.94/x
  3. Step 3: Cross multiply
    76,628.85x = 114,793.80 × 43,247.94
  4. Step 4: Simplify right side
    76,628.85x = 4,964,595,374.77
  5. Step 5: Solve for x
    x = 4,964,595,374.77/76,628.85
  6. Step 6: Final answer
    x = 64,787.55

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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.