Home / 79,531.95-109,755.23-43,725.27

Finding the Fourth Proportional to 79,531.95, 109,755.23 and 43,725.27

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Solution

The fourth proportional to 79,531.95, 109,755.23 and 43,725.27 is: 60,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,531.95 : 109,755.23 = 43,725.27 : x
  2. Step 2: Convert to fraction form
    79,531.95/109,755.23 = 43,725.27/x
  3. Step 3: Cross multiply
    79,531.95x = 109,755.23 × 43,725.27
  4. Step 4: Simplify right side
    79,531.95x = 4,799,076,847.04
  5. Step 5: Solve for x
    x = 4,799,076,847.04/79,531.95
  6. Step 6: Final answer
    x = 60,341.50

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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.