Home / 54,369.36-81,568.62-43,317.72

Finding the Fourth Proportional to 54,369.36, 81,568.62 and 43,317.72

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Solution

The fourth proportional to 54,369.36, 81,568.62 and 43,317.72 is: 64,988.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.36 : 81,568.62 = 43,317.72 : x
  2. Step 2: Convert to fraction form
    54,369.36/81,568.62 = 43,317.72/x
  3. Step 3: Cross multiply
    54,369.36x = 81,568.62 × 43,317.72
  4. Step 4: Simplify right side
    54,369.36x = 3,533,366,641.95
  5. Step 5: Solve for x
    x = 3,533,366,641.95/54,369.36
  6. Step 6: Final answer
    x = 64,988.20

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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.