Home / 54,084.52-81,126.84-14,103.47

Finding the Fourth Proportional to 54,084.52, 81,126.84 and 14,103.47

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Solution

The fourth proportional to 54,084.52, 81,126.84 and 14,103.47 is: 21,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,084.52 : 81,126.84 = 14,103.47 : x
  2. Step 2: Convert to fraction form
    54,084.52/81,126.84 = 14,103.47/x
  3. Step 3: Cross multiply
    54,084.52x = 81,126.84 × 14,103.47
  4. Step 4: Simplify right side
    54,084.52x = 1,144,169,914.71
  5. Step 5: Solve for x
    x = 1,144,169,914.71/54,084.52
  6. Step 6: Final answer
    x = 21,155.22

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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.