Home / 54,315.29-81,473.00-14,872.74

Finding the Fourth Proportional to 54,315.29, 81,473.00 and 14,872.74

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Solution

The fourth proportional to 54,315.29, 81,473.00 and 14,872.74 is: 22,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.29 : 81,473.00 = 14,872.74 : x
  2. Step 2: Convert to fraction form
    54,315.29/81,473.00 = 14,872.74/x
  3. Step 3: Cross multiply
    54,315.29x = 81,473.00 × 14,872.74
  4. Step 4: Simplify right side
    54,315.29x = 1,211,726,671.66
  5. Step 5: Solve for x
    x = 1,211,726,671.66/54,315.29
  6. Step 6: Final answer
    x = 22,309.13

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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.