Home / 54,403.28-81,595.52-14,422.53

Finding the Fourth Proportional to 54,403.28, 81,595.52 and 14,422.53

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Solution

The fourth proportional to 54,403.28, 81,595.52 and 14,422.53 is: 21,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403.28 : 81,595.52 = 14,422.53 : x
  2. Step 2: Convert to fraction form
    54,403.28/81,595.52 = 14,422.53/x
  3. Step 3: Cross multiply
    54,403.28x = 81,595.52 × 14,422.53
  4. Step 4: Simplify right side
    54,403.28x = 1,176,813,817.04
  5. Step 5: Solve for x
    x = 1,176,813,817.04/54,403.28
  6. Step 6: Final answer
    x = 21,631.30

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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.