Home / 79,439.76-109,627.02-43,632.09

Finding the Fourth Proportional to 79,439.76, 109,627.02 and 43,632.09

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Solution

The fourth proportional to 79,439.76, 109,627.02 and 43,632.09 is: 60,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,439.76 : 109,627.02 = 43,632.09 : x
  2. Step 2: Convert to fraction form
    79,439.76/109,627.02 = 43,632.09/x
  3. Step 3: Cross multiply
    79,439.76x = 109,627.02 × 43,632.09
  4. Step 4: Simplify right side
    79,439.76x = 4,783,256,003.07
  5. Step 5: Solve for x
    x = 4,783,256,003.07/79,439.76
  6. Step 6: Final answer
    x = 60,212.37

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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.