Home / 107,769.15-161,653.71-41,215.98

Finding the Fourth Proportional to 107,769.15, 161,653.71 and 41,215.98

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Solution

The fourth proportional to 107,769.15, 161,653.71 and 41,215.98 is: 61,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,769.15 : 161,653.71 = 41,215.98 : x
  2. Step 2: Convert to fraction form
    107,769.15/161,653.71 = 41,215.98/x
  3. Step 3: Cross multiply
    107,769.15x = 161,653.71 × 41,215.98
  4. Step 4: Simplify right side
    107,769.15x = 6,662,716,078.29
  5. Step 5: Solve for x
    x = 6,662,716,078.29/107,769.15
  6. Step 6: Final answer
    x = 61,823.96

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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.