Home / 76,086.80-114,121.56-29,335.76

Finding the Fourth Proportional to 76,086.80, 114,121.56 and 29,335.76

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Solution

The fourth proportional to 76,086.80, 114,121.56 and 29,335.76 is: 44,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,086.80 : 114,121.56 = 29,335.76 : x
  2. Step 2: Convert to fraction form
    76,086.80/114,121.56 = 29,335.76/x
  3. Step 3: Cross multiply
    76,086.80x = 114,121.56 × 29,335.76
  4. Step 4: Simplify right side
    76,086.80x = 3,347,842,694.99
  5. Step 5: Solve for x
    x = 3,347,842,694.99/76,086.80
  6. Step 6: Final answer
    x = 44,000.31

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1.5x scale

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.