Home / 68,394.24-102,686.76-35,142.48

Finding the Fourth Proportional to 68,394.24, 102,686.76 and 35,142.48

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Solution

The fourth proportional to 68,394.24, 102,686.76 and 35,142.48 is: 52,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.24 : 102,686.76 = 35,142.48 : x
  2. Step 2: Convert to fraction form
    68,394.24/102,686.76 = 35,142.48/x
  3. Step 3: Cross multiply
    68,394.24x = 102,686.76 × 35,142.48
  4. Step 4: Simplify right side
    68,394.24x = 3,608,667,409.56
  5. Step 5: Solve for x
    x = 3,608,667,409.56/68,394.24
  6. Step 6: Final answer
    x = 52,762.74

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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.