Home / 54,374.22-81,551.61-14,393.43

Finding the Fourth Proportional to 54,374.22, 81,551.61 and 14,393.43

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Solution

The fourth proportional to 54,374.22, 81,551.61 and 14,393.43 is: 21,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,374.22 : 81,551.61 = 14,393.43 : x
  2. Step 2: Convert to fraction form
    54,374.22/81,551.61 = 14,393.43/x
  3. Step 3: Cross multiply
    54,374.22x = 81,551.61 × 14,393.43
  4. Step 4: Simplify right side
    54,374.22x = 1,173,807,389.92
  5. Step 5: Solve for x
    x = 1,173,807,389.92/54,374.22
  6. Step 6: Final answer
    x = 21,587.57

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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.