Home / 81,425.07-122,203.20-41,993.46

Finding the Fourth Proportional to 81,425.07, 122,203.20 and 41,993.46

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Solution

The fourth proportional to 81,425.07, 122,203.20 and 41,993.46 is: 63,024.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,425.07 : 122,203.20 = 41,993.46 : x
  2. Step 2: Convert to fraction form
    81,425.07/122,203.20 = 41,993.46/x
  3. Step 3: Cross multiply
    81,425.07x = 122,203.20 × 41,993.46
  4. Step 4: Simplify right side
    81,425.07x = 5,131,735,191.07
  5. Step 5: Solve for x
    x = 5,131,735,191.07/81,425.07
  6. Step 6: Final answer
    x = 63,024.02

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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.