Home / 79,164.14-109,246.67-42,865.98

Finding the Fourth Proportional to 79,164.14, 109,246.67 and 42,865.98

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Solution

The fourth proportional to 79,164.14, 109,246.67 and 42,865.98 is: 59,155.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.14 : 109,246.67 = 42,865.98 : x
  2. Step 2: Convert to fraction form
    79,164.14/109,246.67 = 42,865.98/x
  3. Step 3: Cross multiply
    79,164.14x = 109,246.67 × 42,865.98
  4. Step 4: Simplify right side
    79,164.14x = 4,682,965,025.05
  5. Step 5: Solve for x
    x = 4,682,965,025.05/79,164.14
  6. Step 6: Final answer
    x = 59,155.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.