Home / 79,936.80-119,811.84-60,151.76

Finding the Fourth Proportional to 79,936.80, 119,811.84 and 60,151.76

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Solution

The fourth proportional to 79,936.80, 119,811.84 and 60,151.76 is: 90,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,936.80 : 119,811.84 = 60,151.76 : x
  2. Step 2: Convert to fraction form
    79,936.80/119,811.84 = 60,151.76/x
  3. Step 3: Cross multiply
    79,936.80x = 119,811.84 × 60,151.76
  4. Step 4: Simplify right side
    79,936.80x = 7,206,893,044.84
  5. Step 5: Solve for x
    x = 7,206,893,044.84/79,936.80
  6. Step 6: Final answer
    x = 90,157.39

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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.