Home / 83,174.37-124,810.97-30,620.76

Finding the Fourth Proportional to 83,174.37, 124,810.97 and 30,620.76

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Solution

The fourth proportional to 83,174.37, 124,810.97 and 30,620.76 is: 45,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,174.37 : 124,810.97 = 30,620.76 : x
  2. Step 2: Convert to fraction form
    83,174.37/124,810.97 = 30,620.76/x
  3. Step 3: Cross multiply
    83,174.37x = 124,810.97 × 30,620.76
  4. Step 4: Simplify right side
    83,174.37x = 3,821,806,604.63
  5. Step 5: Solve for x
    x = 3,821,806,604.63/83,174.37
  6. Step 6: Final answer
    x = 45,949.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.