Home / 117,997.16-162,835.26-64,282.20

Finding the Fourth Proportional to 117,997.16, 162,835.26 and 64,282.20

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Solution

The fourth proportional to 117,997.16, 162,835.26 and 64,282.20 is: 88,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,997.16 : 162,835.26 = 64,282.20 : x
  2. Step 2: Convert to fraction form
    117,997.16/162,835.26 = 64,282.20/x
  3. Step 3: Cross multiply
    117,997.16x = 162,835.26 × 64,282.20
  4. Step 4: Simplify right side
    117,997.16x = 10,467,408,750.37
  5. Step 5: Solve for x
    x = 10,467,408,750.37/117,997.16
  6. Step 6: Final answer
    x = 88,708.99

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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.