Home / 79,255.60-109,383.88-49,050.64

Finding the Fourth Proportional to 79,255.60, 109,383.88 and 49,050.64

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Solution

The fourth proportional to 79,255.60, 109,383.88 and 49,050.64 is: 67,696.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.60 : 109,383.88 = 49,050.64 : x
  2. Step 2: Convert to fraction form
    79,255.60/109,383.88 = 49,050.64/x
  3. Step 3: Cross multiply
    79,255.60x = 109,383.88 × 49,050.64
  4. Step 4: Simplify right side
    79,255.60x = 5,365,349,319.68
  5. Step 5: Solve for x
    x = 5,365,349,319.68/79,255.60
  6. Step 6: Final answer
    x = 67,696.79

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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.