Home / 79,721.10-110,015.82-43,912.35

Finding the Fourth Proportional to 79,721.10, 110,015.82 and 43,912.35

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Solution

The fourth proportional to 79,721.10, 110,015.82 and 43,912.35 is: 60,599.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721.10 : 110,015.82 = 43,912.35 : x
  2. Step 2: Convert to fraction form
    79,721.10/110,015.82 = 43,912.35/x
  3. Step 3: Cross multiply
    79,721.10x = 110,015.82 × 43,912.35
  4. Step 4: Simplify right side
    79,721.10x = 4,831,053,193.38
  5. Step 5: Solve for x
    x = 4,831,053,193.38/79,721.10
  6. Step 6: Final answer
    x = 60,599.43

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1.5x scale

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.