Home / 117,769.41-162,468.18-69,995.61

Finding the Fourth Proportional to 117,769.41, 162,468.18 and 69,995.61

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Solution

The fourth proportional to 117,769.41, 162,468.18 and 69,995.61 is: 96,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.41 : 162,468.18 = 69,995.61 : x
  2. Step 2: Convert to fraction form
    117,769.41/162,468.18 = 69,995.61/x
  3. Step 3: Cross multiply
    117,769.41x = 162,468.18 × 69,995.61
  4. Step 4: Simplify right side
    117,769.41x = 11,372,059,364.69
  5. Step 5: Solve for x
    x = 11,372,059,364.69/117,769.41
  6. Step 6: Final answer
    x = 96,562.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.