Home / 79,512.94-109,728.02-43,214.59

Finding the Fourth Proportional to 79,512.94, 109,728.02 and 43,214.59

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Solution

The fourth proportional to 79,512.94, 109,728.02 and 43,214.59 is: 59,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,512.94 : 109,728.02 = 43,214.59 : x
  2. Step 2: Convert to fraction form
    79,512.94/109,728.02 = 43,214.59/x
  3. Step 3: Cross multiply
    79,512.94x = 109,728.02 × 43,214.59
  4. Step 4: Simplify right side
    79,512.94x = 4,741,851,089.32
  5. Step 5: Solve for x
    x = 4,741,851,089.32/79,512.94
  6. Step 6: Final answer
    x = 59,636.22

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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.