Home / 94,042.67-129,778.89-53,757.31

Finding the Fourth Proportional to 94,042.67, 129,778.89 and 53,757.31

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Solution

The fourth proportional to 94,042.67, 129,778.89 and 53,757.31 is: 74,185.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,042.67 : 129,778.89 = 53,757.31 : x
  2. Step 2: Convert to fraction form
    94,042.67/129,778.89 = 53,757.31/x
  3. Step 3: Cross multiply
    94,042.67x = 129,778.89 × 53,757.31
  4. Step 4: Simplify right side
    94,042.67x = 6,976,564,021.19
  5. Step 5: Solve for x
    x = 6,976,564,021.19/94,042.67
  6. Step 6: Final answer
    x = 74,185.09

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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.