Home / 54,088.11-81,139.86-16,651.31

Finding the Fourth Proportional to 54,088.11, 81,139.86 and 16,651.31

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Solution

The fourth proportional to 54,088.11, 81,139.86 and 16,651.31 is: 24,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,088.11 : 81,139.86 = 16,651.31 : x
  2. Step 2: Convert to fraction form
    54,088.11/81,139.86 = 16,651.31/x
  3. Step 3: Cross multiply
    54,088.11x = 81,139.86 × 16,651.31
  4. Step 4: Simplify right side
    54,088.11x = 1,351,084,962.22
  5. Step 5: Solve for x
    x = 1,351,084,962.22/54,088.11
  6. Step 6: Final answer
    x = 24,979.33

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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.