Home / 71,344.78-106,918.74-53,795.32

Finding the Fourth Proportional to 71,344.78, 106,918.74 and 53,795.32

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Solution

The fourth proportional to 71,344.78, 106,918.74 and 53,795.32 is: 80,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.78 : 106,918.74 = 53,795.32 : x
  2. Step 2: Convert to fraction form
    71,344.78/106,918.74 = 53,795.32/x
  3. Step 3: Cross multiply
    71,344.78x = 106,918.74 × 53,795.32
  4. Step 4: Simplify right side
    71,344.78x = 5,751,727,832.30
  5. Step 5: Solve for x
    x = 5,751,727,832.30/71,344.78
  6. Step 6: Final answer
    x = 80,618.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.