Home / 54,256.51-81,387.04-14,813.66

Finding the Fourth Proportional to 54,256.51, 81,387.04 and 14,813.66

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Solution

The fourth proportional to 54,256.51, 81,387.04 and 14,813.66 is: 22,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,256.51 : 81,387.04 = 14,813.66 : x
  2. Step 2: Convert to fraction form
    54,256.51/81,387.04 = 14,813.66/x
  3. Step 3: Cross multiply
    54,256.51x = 81,387.04 × 14,813.66
  4. Step 4: Simplify right side
    54,256.51x = 1,205,639,938.97
  5. Step 5: Solve for x
    x = 1,205,639,938.97/54,256.51
  6. Step 6: Final answer
    x = 22,221.11

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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.