Home / 54,654.35-81,926.71-19,088.06

Finding the Fourth Proportional to 54,654.35, 81,926.71 and 19,088.06

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Solution

The fourth proportional to 54,654.35, 81,926.71 and 19,088.06 is: 28,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,654.35 : 81,926.71 = 19,088.06 : x
  2. Step 2: Convert to fraction form
    54,654.35/81,926.71 = 19,088.06/x
  3. Step 3: Cross multiply
    54,654.35x = 81,926.71 × 19,088.06
  4. Step 4: Simplify right side
    54,654.35x = 1,563,821,498.73
  5. Step 5: Solve for x
    x = 1,563,821,498.73/54,654.35
  6. Step 6: Final answer
    x = 28,612.94

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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.