Home / 54,326.72-81,501.64-16,885.89

Finding the Fourth Proportional to 54,326.72, 81,501.64 and 16,885.89

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Solution

The fourth proportional to 54,326.72, 81,501.64 and 16,885.89 is: 25,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,326.72 : 81,501.64 = 16,885.89 : x
  2. Step 2: Convert to fraction form
    54,326.72/81,501.64 = 16,885.89/x
  3. Step 3: Cross multiply
    54,326.72x = 81,501.64 × 16,885.89
  4. Step 4: Simplify right side
    54,326.72x = 1,376,227,685.64
  5. Step 5: Solve for x
    x = 1,376,227,685.64/54,326.72
  6. Step 6: Final answer
    x = 25,332.43

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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.