Home / 79,377.06-109,543.14-43,568.04

Finding the Fourth Proportional to 79,377.06, 109,543.14 and 43,568.04

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Solution

The fourth proportional to 79,377.06, 109,543.14 and 43,568.04 is: 60,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,377.06 : 109,543.14 = 43,568.04 : x
  2. Step 2: Convert to fraction form
    79,377.06/109,543.14 = 43,568.04/x
  3. Step 3: Cross multiply
    79,377.06x = 109,543.14 × 43,568.04
  4. Step 4: Simplify right side
    79,377.06x = 4,772,579,905.25
  5. Step 5: Solve for x
    x = 4,772,579,905.25/79,377.06
  6. Step 6: Final answer
    x = 60,125.43

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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.