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Finding the Fourth Proportional to 96,113.92, 132,608.22 and 55,819.91

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Solution

The fourth proportional to 96,113.92, 132,608.22 and 55,819.91 is: 77,014.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,113.92 : 132,608.22 = 55,819.91 : x
  2. Step 2: Convert to fraction form
    96,113.92/132,608.22 = 55,819.91/x
  3. Step 3: Cross multiply
    96,113.92x = 132,608.22 × 55,819.91
  4. Step 4: Simplify right side
    96,113.92x = 7,402,178,905.66
  5. Step 5: Solve for x
    x = 7,402,178,905.66/96,113.92
  6. Step 6: Final answer
    x = 77,014.64

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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.