Home / 79,340.72-119,013.91-26,750.66

Finding the Fourth Proportional to 79,340.72, 119,013.91 and 26,750.66

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Solution

The fourth proportional to 79,340.72, 119,013.91 and 26,750.66 is: 40,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.72 : 119,013.91 = 26,750.66 : x
  2. Step 2: Convert to fraction form
    79,340.72/119,013.91 = 26,750.66/x
  3. Step 3: Cross multiply
    79,340.72x = 119,013.91 × 26,750.66
  4. Step 4: Simplify right side
    79,340.72x = 3,183,699,979.73
  5. Step 5: Solve for x
    x = 3,183,699,979.73/79,340.72
  6. Step 6: Final answer
    x = 40,126.94

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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.