Home / 79,278.52-109,405.84-43,466.38

Finding the Fourth Proportional to 79,278.52, 109,405.84 and 43,466.38

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Solution

The fourth proportional to 79,278.52, 109,405.84 and 43,466.38 is: 59,984.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,278.52 : 109,405.84 = 43,466.38 : x
  2. Step 2: Convert to fraction form
    79,278.52/109,405.84 = 43,466.38/x
  3. Step 3: Cross multiply
    79,278.52x = 109,405.84 × 43,466.38
  4. Step 4: Simplify right side
    79,278.52x = 4,755,475,815.66
  5. Step 5: Solve for x
    x = 4,755,475,815.66/79,278.52
  6. Step 6: Final answer
    x = 59,984.42

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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.