Home / 117,177.64-161,705.09-63,462.65

Finding the Fourth Proportional to 117,177.64, 161,705.09 and 63,462.65

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Solution

The fourth proportional to 117,177.64, 161,705.09 and 63,462.65 is: 87,578.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.64 : 161,705.09 = 63,462.65 : x
  2. Step 2: Convert to fraction form
    117,177.64/161,705.09 = 63,462.65/x
  3. Step 3: Cross multiply
    117,177.64x = 161,705.09 × 63,462.65
  4. Step 4: Simplify right side
    117,177.64x = 10,262,233,212.58
  5. Step 5: Solve for x
    x = 10,262,233,212.58/117,177.64
  6. Step 6: Final answer
    x = 87,578.43

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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.