Home / 54,324.40-81,486.60-52,356.10

Finding the Fourth Proportional to 54,324.40, 81,486.60 and 52,356.10

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Solution

The fourth proportional to 54,324.40, 81,486.60 and 52,356.10 is: 78,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.40 : 81,486.60 = 52,356.10 : x
  2. Step 2: Convert to fraction form
    54,324.40/81,486.60 = 52,356.10/x
  3. Step 3: Cross multiply
    54,324.40x = 81,486.60 × 52,356.10
  4. Step 4: Simplify right side
    54,324.40x = 4,266,320,578.26
  5. Step 5: Solve for x
    x = 4,266,320,578.26/54,324.40
  6. Step 6: Final answer
    x = 78,534.15

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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.