Home / 79,285.63-109,414.20-43,474.90

Finding the Fourth Proportional to 79,285.63, 109,414.20 and 43,474.90

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Solution

The fourth proportional to 79,285.63, 109,414.20 and 43,474.90 is: 59,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,285.63 : 109,414.20 = 43,474.90 : x
  2. Step 2: Convert to fraction form
    79,285.63/109,414.20 = 43,474.90/x
  3. Step 3: Cross multiply
    79,285.63x = 109,414.20 × 43,474.90
  4. Step 4: Simplify right side
    79,285.63x = 4,756,771,403.58
  5. Step 5: Solve for x
    x = 4,756,771,403.58/79,285.63
  6. Step 6: Final answer
    x = 59,995.38

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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.