Home / 74,474.38-102,775.61-40,483.36

Finding the Fourth Proportional to 74,474.38, 102,775.61 and 40,483.36

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Solution

The fourth proportional to 74,474.38, 102,775.61 and 40,483.36 is: 55,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,474.38 : 102,775.61 = 40,483.36 : x
  2. Step 2: Convert to fraction form
    74,474.38/102,775.61 = 40,483.36/x
  3. Step 3: Cross multiply
    74,474.38x = 102,775.61 × 40,483.36
  4. Step 4: Simplify right side
    74,474.38x = 4,160,701,816.43
  5. Step 5: Solve for x
    x = 4,160,701,816.43/74,474.38
  6. Step 6: Final answer
    x = 55,867.56

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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.