Home / 54,131.76-81,197.64-19,063.08

Finding the Fourth Proportional to 54,131.76, 81,197.64 and 19,063.08

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Solution

The fourth proportional to 54,131.76, 81,197.64 and 19,063.08 is: 28,594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.76 : 81,197.64 = 19,063.08 : x
  2. Step 2: Convert to fraction form
    54,131.76/81,197.64 = 19,063.08/x
  3. Step 3: Cross multiply
    54,131.76x = 81,197.64 × 19,063.08
  4. Step 4: Simplify right side
    54,131.76x = 1,547,877,107.13
  5. Step 5: Solve for x
    x = 1,547,877,107.13/54,131.76
  6. Step 6: Final answer
    x = 28,594.62

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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.