Home / 117,708.65-162,441.14-63,997.28

Finding the Fourth Proportional to 117,708.65, 162,441.14 and 63,997.28

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Solution

The fourth proportional to 117,708.65, 162,441.14 and 63,997.28 is: 88,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,708.65 : 162,441.14 = 63,997.28 : x
  2. Step 2: Convert to fraction form
    117,708.65/162,441.14 = 63,997.28/x
  3. Step 3: Cross multiply
    117,708.65x = 162,441.14 × 63,997.28
  4. Step 4: Simplify right side
    117,708.65x = 10,395,789,987.91
  5. Step 5: Solve for x
    x = 10,395,789,987.91/117,708.65
  6. Step 6: Final answer
    x = 88,317.98

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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.