Home / 105,961.23-158,729.49-63,817.74

Finding the Fourth Proportional to 105,961.23, 158,729.49 and 63,817.74

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Solution

The fourth proportional to 105,961.23, 158,729.49 and 63,817.74 is: 95,598.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.23 : 158,729.49 = 63,817.74 : x
  2. Step 2: Convert to fraction form
    105,961.23/158,729.49 = 63,817.74/x
  3. Step 3: Cross multiply
    105,961.23x = 158,729.49 × 63,817.74
  4. Step 4: Simplify right side
    105,961.23x = 10,129,757,323.15
  5. Step 5: Solve for x
    x = 10,129,757,323.15/105,961.23
  6. Step 6: Final answer
    x = 95,598.71

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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.