Home / 54,486.04-81,722.94-15,048.76

Finding the Fourth Proportional to 54,486.04, 81,722.94 and 15,048.76

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Solution

The fourth proportional to 54,486.04, 81,722.94 and 15,048.76 is: 22,571.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,486.04 : 81,722.94 = 15,048.76 : x
  2. Step 2: Convert to fraction form
    54,486.04/81,722.94 = 15,048.76/x
  3. Step 3: Cross multiply
    54,486.04x = 81,722.94 × 15,048.76
  4. Step 4: Simplify right side
    54,486.04x = 1,229,828,910.55
  5. Step 5: Solve for x
    x = 1,229,828,910.55/54,486.04
  6. Step 6: Final answer
    x = 22,571.45

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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.