Home / 54,133.77-81,179.85-18,588.48

Finding the Fourth Proportional to 54,133.77, 81,179.85 and 18,588.48

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Solution

The fourth proportional to 54,133.77, 81,179.85 and 18,588.48 is: 27,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,133.77 : 81,179.85 = 18,588.48 : x
  2. Step 2: Convert to fraction form
    54,133.77/81,179.85 = 18,588.48/x
  3. Step 3: Cross multiply
    54,133.77x = 81,179.85 × 18,588.48
  4. Step 4: Simplify right side
    54,133.77x = 1,509,010,018.13
  5. Step 5: Solve for x
    x = 1,509,010,018.13/54,133.77
  6. Step 6: Final answer
    x = 27,875.58

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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.