Home / 78,835.68-108,791.64-43,025.58

Finding the Fourth Proportional to 78,835.68, 108,791.64 and 43,025.58

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Solution

The fourth proportional to 78,835.68, 108,791.64 and 43,025.58 is: 59,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,835.68 : 108,791.64 = 43,025.58 : x
  2. Step 2: Convert to fraction form
    78,835.68/108,791.64 = 43,025.58/x
  3. Step 3: Cross multiply
    78,835.68x = 108,791.64 × 43,025.58
  4. Step 4: Simplify right side
    78,835.68x = 4,680,823,410.15
  5. Step 5: Solve for x
    x = 4,680,823,410.15/78,835.68
  6. Step 6: Final answer
    x = 59,374.43

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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.