Home / 54,402.56-81,612.06-19,333.88

Finding the Fourth Proportional to 54,402.56, 81,612.06 and 19,333.88

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Solution

The fourth proportional to 54,402.56, 81,612.06 and 19,333.88 is: 29,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,402.56 : 81,612.06 = 19,333.88 : x
  2. Step 2: Convert to fraction form
    54,402.56/81,612.06 = 19,333.88/x
  3. Step 3: Cross multiply
    54,402.56x = 81,612.06 × 19,333.88
  4. Step 4: Simplify right side
    54,402.56x = 1,577,877,774.59
  5. Step 5: Solve for x
    x = 1,577,877,774.59/54,402.56
  6. Step 6: Final answer
    x = 29,003.74

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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.