Home / 54,388.53-81,585.23-14,945.99

Finding the Fourth Proportional to 54,388.53, 81,585.23 and 14,945.99

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Solution

The fourth proportional to 54,388.53, 81,585.23 and 14,945.99 is: 22,419.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,388.53 : 81,585.23 = 14,945.99 : x
  2. Step 2: Convert to fraction form
    54,388.53/81,585.23 = 14,945.99/x
  3. Step 3: Cross multiply
    54,388.53x = 81,585.23 × 14,945.99
  4. Step 4: Simplify right side
    54,388.53x = 1,219,371,549.07
  5. Step 5: Solve for x
    x = 1,219,371,549.07/54,388.53
  6. Step 6: Final answer
    x = 22,419.65

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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.