Home / 54,203.87-81,305.35-42,367.60

Finding the Fourth Proportional to 54,203.87, 81,305.35 and 42,367.60

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Solution

The fourth proportional to 54,203.87, 81,305.35 and 42,367.60 is: 63,551.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,203.87 : 81,305.35 = 42,367.60 : x
  2. Step 2: Convert to fraction form
    54,203.87/81,305.35 = 42,367.60/x
  3. Step 3: Cross multiply
    54,203.87x = 81,305.35 × 42,367.60
  4. Step 4: Simplify right side
    54,203.87x = 3,444,712,237.48
  5. Step 5: Solve for x
    x = 3,444,712,237.48/54,203.87
  6. Step 6: Final answer
    x = 63,551.04

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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.