Home / 79,195.57-109,248.45-48,971.23

Finding the Fourth Proportional to 79,195.57, 109,248.45 and 48,971.23

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Solution

The fourth proportional to 79,195.57, 109,248.45 and 48,971.23 is: 67,554.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.57 : 109,248.45 = 48,971.23 : x
  2. Step 2: Convert to fraction form
    79,195.57/109,248.45 = 48,971.23/x
  3. Step 3: Cross multiply
    79,195.57x = 109,248.45 × 48,971.23
  4. Step 4: Simplify right side
    79,195.57x = 5,350,030,972.09
  5. Step 5: Solve for x
    x = 5,350,030,972.09/79,195.57
  6. Step 6: Final answer
    x = 67,554.67

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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.