Home / 54,028.74-81,043.12-14,585.84

Finding the Fourth Proportional to 54,028.74, 81,043.12 and 14,585.84

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Solution

The fourth proportional to 54,028.74, 81,043.12 and 14,585.84 is: 21,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.74 : 81,043.12 = 14,585.84 : x
  2. Step 2: Convert to fraction form
    54,028.74/81,043.12 = 14,585.84/x
  3. Step 3: Cross multiply
    54,028.74x = 81,043.12 × 14,585.84
  4. Step 4: Simplify right side
    54,028.74x = 1,182,081,981.42
  5. Step 5: Solve for x
    x = 1,182,081,981.42/54,028.74
  6. Step 6: Final answer
    x = 21,878.76

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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.