Home / 79,451.06-119,175.15-67,050.74

Finding the Fourth Proportional to 79,451.06, 119,175.15 and 67,050.74

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Solution

The fourth proportional to 79,451.06, 119,175.15 and 67,050.74 is: 100,574.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.06 : 119,175.15 = 67,050.74 : x
  2. Step 2: Convert to fraction form
    79,451.06/119,175.15 = 67,050.74/x
  3. Step 3: Cross multiply
    79,451.06x = 119,175.15 × 67,050.74
  4. Step 4: Simplify right side
    79,451.06x = 7,990,781,997.11
  5. Step 5: Solve for x
    x = 7,990,781,997.11/79,451.06
  6. Step 6: Final answer
    x = 100,574.89

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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.