Home / 79,164.41-109,246.07-42,865.67

Finding the Fourth Proportional to 79,164.41, 109,246.07 and 42,865.67

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Solution

The fourth proportional to 79,164.41, 109,246.07 and 42,865.67 is: 59,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,164.41 : 109,246.07 = 42,865.67 : x
  2. Step 2: Convert to fraction form
    79,164.41/109,246.07 = 42,865.67/x
  3. Step 3: Cross multiply
    79,164.41x = 109,246.07 × 42,865.67
  4. Step 4: Simplify right side
    79,164.41x = 4,682,906,365.70
  5. Step 5: Solve for x
    x = 4,682,906,365.70/79,164.41
  6. Step 6: Final answer
    x = 59,154.19

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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.