Home / 78,906.03-108,890.64-43,096.20

Finding the Fourth Proportional to 78,906.03, 108,890.64 and 43,096.20

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Solution

The fourth proportional to 78,906.03, 108,890.64 and 43,096.20 is: 59,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,906.03 : 108,890.64 = 43,096.20 : x
  2. Step 2: Convert to fraction form
    78,906.03/108,890.64 = 43,096.20/x
  3. Step 3: Cross multiply
    78,906.03x = 108,890.64 × 43,096.20
  4. Step 4: Simplify right side
    78,906.03x = 4,692,772,799.57
  5. Step 5: Solve for x
    x = 4,692,772,799.57/78,906.03
  6. Step 6: Final answer
    x = 59,472.93

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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.