Home / 76,808.94-114,559.97-75,479.73

Finding the Fourth Proportional to 76,808.94, 114,559.97 and 75,479.73

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Solution

The fourth proportional to 76,808.94, 114,559.97 and 75,479.73 is: 112,577.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,808.94 : 114,559.97 = 75,479.73 : x
  2. Step 2: Convert to fraction form
    76,808.94/114,559.97 = 75,479.73/x
  3. Step 3: Cross multiply
    76,808.94x = 114,559.97 × 75,479.73
  4. Step 4: Simplify right side
    76,808.94x = 8,646,955,604.41
  5. Step 5: Solve for x
    x = 8,646,955,604.41/76,808.94
  6. Step 6: Final answer
    x = 112,577.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.