Home / 79,104.87-109,167.66-45,113.04

Finding the Fourth Proportional to 79,104.87, 109,167.66 and 45,113.04

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Solution

The fourth proportional to 79,104.87, 109,167.66 and 45,113.04 is: 62,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,104.87 : 109,167.66 = 45,113.04 : x
  2. Step 2: Convert to fraction form
    79,104.87/109,167.66 = 45,113.04/x
  3. Step 3: Cross multiply
    79,104.87x = 109,167.66 × 45,113.04
  4. Step 4: Simplify right side
    79,104.87x = 4,924,885,012.29
  5. Step 5: Solve for x
    x = 4,924,885,012.29/79,104.87
  6. Step 6: Final answer
    x = 62,257.67

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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.