Home / 105,932.43-158,821.65-49,743.63

Finding the Fourth Proportional to 105,932.43, 158,821.65 and 49,743.63

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Solution

The fourth proportional to 105,932.43, 158,821.65 and 49,743.63 is: 74,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,932.43 : 158,821.65 = 49,743.63 : x
  2. Step 2: Convert to fraction form
    105,932.43/158,821.65 = 49,743.63/x
  3. Step 3: Cross multiply
    105,932.43x = 158,821.65 × 49,743.63
  4. Step 4: Simplify right side
    105,932.43x = 7,900,365,393.59
  5. Step 5: Solve for x
    x = 7,900,365,393.59/105,932.43
  6. Step 6: Final answer
    x = 74,579.29

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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.