Home / 79,966.26-120,022.83-40,551.66

Finding the Fourth Proportional to 79,966.26, 120,022.83 and 40,551.66

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Solution

The fourth proportional to 79,966.26, 120,022.83 and 40,551.66 is: 60,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,966.26 : 120,022.83 = 40,551.66 : x
  2. Step 2: Convert to fraction form
    79,966.26/120,022.83 = 40,551.66/x
  3. Step 3: Cross multiply
    79,966.26x = 120,022.83 × 40,551.66
  4. Step 4: Simplify right side
    79,966.26x = 4,867,124,994.40
  5. Step 5: Solve for x
    x = 4,867,124,994.40/79,966.26
  6. Step 6: Final answer
    x = 60,864.73

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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.