Home / 54,076.34-81,030.92-42,201.95

Finding the Fourth Proportional to 54,076.34, 81,030.92 and 42,201.95

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Solution

The fourth proportional to 54,076.34, 81,030.92 and 42,201.95 is: 63,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,076.34 : 81,030.92 = 42,201.95 : x
  2. Step 2: Convert to fraction form
    54,076.34/81,030.92 = 42,201.95/x
  3. Step 3: Cross multiply
    54,076.34x = 81,030.92 × 42,201.95
  4. Step 4: Simplify right side
    54,076.34x = 3,419,662,218.13
  5. Step 5: Solve for x
    x = 3,419,662,218.13/54,076.34
  6. Step 6: Final answer
    x = 63,237.68

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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.