Home / 54,108.48-81,155.32-16,157.16

Finding the Fourth Proportional to 54,108.48, 81,155.32 and 16,157.16

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Solution

The fourth proportional to 54,108.48, 81,155.32 and 16,157.16 is: 24,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.48 : 81,155.32 = 16,157.16 : x
  2. Step 2: Convert to fraction form
    54,108.48/81,155.32 = 16,157.16/x
  3. Step 3: Cross multiply
    54,108.48x = 81,155.32 × 16,157.16
  4. Step 4: Simplify right side
    54,108.48x = 1,311,239,490.09
  5. Step 5: Solve for x
    x = 1,311,239,490.09/54,108.48
  6. Step 6: Final answer
    x = 24,233.53

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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.