Home / 78,926.22-108,914.22-43,109.64

Finding the Fourth Proportional to 78,926.22, 108,914.22 and 43,109.64

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Solution

The fourth proportional to 78,926.22, 108,914.22 and 43,109.64 is: 59,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,926.22 : 108,914.22 = 43,109.64 : x
  2. Step 2: Convert to fraction form
    78,926.22/108,914.22 = 43,109.64/x
  3. Step 3: Cross multiply
    78,926.22x = 108,914.22 × 43,109.64
  4. Step 4: Simplify right side
    78,926.22x = 4,695,252,815.08
  5. Step 5: Solve for x
    x = 4,695,252,815.08/78,926.22
  6. Step 6: Final answer
    x = 59,489.14

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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.