Home / 54,116.02-81,178.02-18,579.94

Finding the Fourth Proportional to 54,116.02, 81,178.02 and 18,579.94

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Solution

The fourth proportional to 54,116.02, 81,178.02 and 18,579.94 is: 27,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.02 : 81,178.02 = 18,579.94 : x
  2. Step 2: Convert to fraction form
    54,116.02/81,178.02 = 18,579.94/x
  3. Step 3: Cross multiply
    54,116.02x = 81,178.02 × 18,579.94
  4. Step 4: Simplify right side
    54,116.02x = 1,508,282,740.92
  5. Step 5: Solve for x
    x = 1,508,282,740.92/54,116.02
  6. Step 6: Final answer
    x = 27,871.28

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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.