Home / 54,324.90-81,487.35-52,356.60

Finding the Fourth Proportional to 54,324.90, 81,487.35 and 52,356.60

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Solution

The fourth proportional to 54,324.90, 81,487.35 and 52,356.60 is: 78,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.90 : 81,487.35 = 52,356.60 : x
  2. Step 2: Convert to fraction form
    54,324.90/81,487.35 = 52,356.60/x
  3. Step 3: Cross multiply
    54,324.90x = 81,487.35 × 52,356.60
  4. Step 4: Simplify right side
    54,324.90x = 4,266,400,589.01
  5. Step 5: Solve for x
    x = 4,266,400,589.01/54,324.90
  6. Step 6: Final answer
    x = 78,534.90

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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.