Home / 79,930.10-110,264.37-51,660.02

Finding the Fourth Proportional to 79,930.10, 110,264.37 and 51,660.02

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Solution

The fourth proportional to 79,930.10, 110,264.37 and 51,660.02 is: 71,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.10 : 110,264.37 = 51,660.02 : x
  2. Step 2: Convert to fraction form
    79,930.10/110,264.37 = 51,660.02/x
  3. Step 3: Cross multiply
    79,930.10x = 110,264.37 × 51,660.02
  4. Step 4: Simplify right side
    79,930.10x = 5,696,259,559.49
  5. Step 5: Solve for x
    x = 5,696,259,559.49/79,930.10
  6. Step 6: Final answer
    x = 71,265.51

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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.