Home / 117,948.76-162,772.20-64,236.68

Finding the Fourth Proportional to 117,948.76, 162,772.20 and 64,236.68

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Solution

The fourth proportional to 117,948.76, 162,772.20 and 64,236.68 is: 88,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,948.76 : 162,772.20 = 64,236.68 : x
  2. Step 2: Convert to fraction form
    117,948.76/162,772.20 = 64,236.68/x
  3. Step 3: Cross multiply
    117,948.76x = 162,772.20 × 64,236.68
  4. Step 4: Simplify right side
    117,948.76x = 10,455,945,724.30
  5. Step 5: Solve for x
    x = 10,455,945,724.30/117,948.76
  6. Step 6: Final answer
    x = 88,648.20

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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.