Home / 54,321.29-81,482.00-14,878.74

Finding the Fourth Proportional to 54,321.29, 81,482.00 and 14,878.74

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Solution

The fourth proportional to 54,321.29, 81,482.00 and 14,878.74 is: 22,318.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.29 : 81,482.00 = 14,878.74 : x
  2. Step 2: Convert to fraction form
    54,321.29/81,482.00 = 14,878.74/x
  3. Step 3: Cross multiply
    54,321.29x = 81,482.00 × 14,878.74
  4. Step 4: Simplify right side
    54,321.29x = 1,212,349,418.29
  5. Step 5: Solve for x
    x = 1,212,349,418.29/54,321.29
  6. Step 6: Final answer
    x = 22,318.13

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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.