Home / 117,949.76-162,773.58-64,237.68

Finding the Fourth Proportional to 117,949.76, 162,773.58 and 64,237.68

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Solution

The fourth proportional to 117,949.76, 162,773.58 and 64,237.68 is: 88,649.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,949.76 : 162,773.58 = 64,237.68 : x
  2. Step 2: Convert to fraction form
    117,949.76/162,773.58 = 64,237.68/x
  3. Step 3: Cross multiply
    117,949.76x = 162,773.58 × 64,237.68
  4. Step 4: Simplify right side
    117,949.76x = 10,456,197,144.49
  5. Step 5: Solve for x
    x = 10,456,197,144.49/117,949.76
  6. Step 6: Final answer
    x = 88,649.58

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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.