Home / 79,228.44-109,335-43,418.76

Finding the Fourth Proportional to 79,228.44, 109,335 and 43,418.76

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Solution

The fourth proportional to 79,228.44, 109,335 and 43,418.76 is: 59,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,228.44 : 109,335 = 43,418.76 : x
  2. Step 2: Convert to fraction form
    79,228.44/109,335 = 43,418.76/x
  3. Step 3: Cross multiply
    79,228.44x = 109,335 × 43,418.76
  4. Step 4: Simplify right side
    79,228.44x = 4,747,190,124.60
  5. Step 5: Solve for x
    x = 4,747,190,124.60/79,228.44
  6. Step 6: Final answer
    x = 59,917.75

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1.5x scale

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.