Home / 117,946.92-162,761.56-64,228.74

Finding the Fourth Proportional to 117,946.92, 162,761.56 and 64,228.74

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Solution

The fourth proportional to 117,946.92, 162,761.56 and 64,228.74 is: 88,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,946.92 : 162,761.56 = 64,228.74 : x
  2. Step 2: Convert to fraction form
    117,946.92/162,761.56 = 64,228.74/x
  3. Step 3: Cross multiply
    117,946.92x = 162,761.56 × 64,228.74
  4. Step 4: Simplify right side
    117,946.92x = 10,453,969,919.23
  5. Step 5: Solve for x
    x = 10,453,969,919.23/117,946.92
  6. Step 6: Final answer
    x = 88,632.84

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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.