Home / 54,192.78-74,783.79-29,663.42

Finding the Fourth Proportional to 54,192.78, 74,783.79 and 29,663.42

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Solution

The fourth proportional to 54,192.78, 74,783.79 and 29,663.42 is: 40,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,192.78 : 74,783.79 = 29,663.42 : x
  2. Step 2: Convert to fraction form
    54,192.78/74,783.79 = 29,663.42/x
  3. Step 3: Cross multiply
    54,192.78x = 74,783.79 × 29,663.42
  4. Step 4: Simplify right side
    54,192.78x = 2,218,342,598.04
  5. Step 5: Solve for x
    x = 2,218,342,598.04/54,192.78
  6. Step 6: Final answer
    x = 40,934.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.