Home / 113,135.82-169,740.57-53,963.79

Finding the Fourth Proportional to 113,135.82, 169,740.57 and 53,963.79

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Solution

The fourth proportional to 113,135.82, 169,740.57 and 53,963.79 is: 80,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,135.82 : 169,740.57 = 53,963.79 : x
  2. Step 2: Convert to fraction form
    113,135.82/169,740.57 = 53,963.79/x
  3. Step 3: Cross multiply
    113,135.82x = 169,740.57 × 53,963.79
  4. Step 4: Simplify right side
    113,135.82x = 9,159,844,473.96
  5. Step 5: Solve for x
    x = 9,159,844,473.96/113,135.82
  6. Step 6: Final answer
    x = 80,963.26

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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.