Home / 54,204.25-81,305.91-42,367.98

Finding the Fourth Proportional to 54,204.25, 81,305.91 and 42,367.98

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Solution

The fourth proportional to 54,204.25, 81,305.91 and 42,367.98 is: 63,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,204.25 : 81,305.91 = 42,367.98 : x
  2. Step 2: Convert to fraction form
    54,204.25/81,305.91 = 42,367.98/x
  3. Step 3: Cross multiply
    54,204.25x = 81,305.91 × 42,367.98
  4. Step 4: Simplify right side
    54,204.25x = 3,444,766,762.23
  5. Step 5: Solve for x
    x = 3,444,766,762.23/54,204.25
  6. Step 6: Final answer
    x = 63,551.60

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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.