Home / 105,926.46-158,889.41-66,511.25

Finding the Fourth Proportional to 105,926.46, 158,889.41 and 66,511.25

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Solution

The fourth proportional to 105,926.46, 158,889.41 and 66,511.25 is: 99,766.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,926.46 : 158,889.41 = 66,511.25 : x
  2. Step 2: Convert to fraction form
    105,926.46/158,889.41 = 66,511.25/x
  3. Step 3: Cross multiply
    105,926.46x = 158,889.41 × 66,511.25
  4. Step 4: Simplify right side
    105,926.46x = 10,567,933,270.86
  5. Step 5: Solve for x
    x = 10,567,933,270.86/105,926.46
  6. Step 6: Final answer
    x = 99,766.70

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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.