Home / 105,961.43-158,786.63-53,298.47

Finding the Fourth Proportional to 105,961.43, 158,786.63 and 53,298.47

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Solution

The fourth proportional to 105,961.43, 158,786.63 and 53,298.47 is: 79,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.43 : 158,786.63 = 53,298.47 : x
  2. Step 2: Convert to fraction form
    105,961.43/158,786.63 = 53,298.47/x
  3. Step 3: Cross multiply
    105,961.43x = 158,786.63 × 53,298.47
  4. Step 4: Simplify right side
    105,961.43x = 8,463,084,765.80
  5. Step 5: Solve for x
    x = 8,463,084,765.80/105,961.43
  6. Step 6: Final answer
    x = 79,869.48

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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.