Home / 54,261.74-81,381.62-14,815.56

Finding the Fourth Proportional to 54,261.74, 81,381.62 and 14,815.56

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Solution

The fourth proportional to 54,261.74, 81,381.62 and 14,815.56 is: 22,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,261.74 : 81,381.62 = 14,815.56 : x
  2. Step 2: Convert to fraction form
    54,261.74/81,381.62 = 14,815.56/x
  3. Step 3: Cross multiply
    54,261.74x = 81,381.62 × 14,815.56
  4. Step 4: Simplify right side
    54,261.74x = 1,205,714,274.01
  5. Step 5: Solve for x
    x = 1,205,714,274.01/54,261.74
  6. Step 6: Final answer
    x = 22,220.34

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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.