Home / 79,721.45-110,020.58-43,911.45

Finding the Fourth Proportional to 79,721.45, 110,020.58 and 43,911.45

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Solution

The fourth proportional to 79,721.45, 110,020.58 and 43,911.45 is: 60,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,721.45 : 110,020.58 = 43,911.45 : x
  2. Step 2: Convert to fraction form
    79,721.45/110,020.58 = 43,911.45/x
  3. Step 3: Cross multiply
    79,721.45x = 110,020.58 × 43,911.45
  4. Step 4: Simplify right side
    79,721.45x = 4,831,162,978.08
  5. Step 5: Solve for x
    x = 4,831,162,978.08/79,721.45
  6. Step 6: Final answer
    x = 60,600.54

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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.