Home / 79,190.90-109,283.56-43,380.12

Finding the Fourth Proportional to 79,190.90, 109,283.56 and 43,380.12

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Solution

The fourth proportional to 79,190.90, 109,283.56 and 43,380.12 is: 59,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.90 : 109,283.56 = 43,380.12 : x
  2. Step 2: Convert to fraction form
    79,190.90/109,283.56 = 43,380.12/x
  3. Step 3: Cross multiply
    79,190.90x = 109,283.56 × 43,380.12
  4. Step 4: Simplify right side
    79,190.90x = 4,740,733,946.83
  5. Step 5: Solve for x
    x = 4,740,733,946.83/79,190.90
  6. Step 6: Final answer
    x = 59,864.63

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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.