Home / 54,411.59-81,554.20-31,054.43

Finding the Fourth Proportional to 54,411.59, 81,554.20 and 31,054.43

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Solution

The fourth proportional to 54,411.59, 81,554.20 and 31,054.43 is: 46,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.59 : 81,554.20 = 31,054.43 : x
  2. Step 2: Convert to fraction form
    54,411.59/81,554.20 = 31,054.43/x
  3. Step 3: Cross multiply
    54,411.59x = 81,554.20 × 31,054.43
  4. Step 4: Simplify right side
    54,411.59x = 2,532,619,195.11
  5. Step 5: Solve for x
    x = 2,532,619,195.11/54,411.59
  6. Step 6: Final answer
    x = 46,545.58

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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.