Home / 54,688.36-75,470.13-31,722.70

Finding the Fourth Proportional to 54,688.36, 75,470.13 and 31,722.70

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Solution

The fourth proportional to 54,688.36, 75,470.13 and 31,722.70 is: 43,777.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.36 : 75,470.13 = 31,722.70 : x
  2. Step 2: Convert to fraction form
    54,688.36/75,470.13 = 31,722.70/x
  3. Step 3: Cross multiply
    54,688.36x = 75,470.13 × 31,722.70
  4. Step 4: Simplify right side
    54,688.36x = 2,394,116,292.95
  5. Step 5: Solve for x
    x = 2,394,116,292.95/54,688.36
  6. Step 6: Final answer
    x = 43,777.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.