Home / 79,187.16-109,277.28-43,375.02

Finding the Fourth Proportional to 79,187.16, 109,277.28 and 43,375.02

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Solution

The fourth proportional to 79,187.16, 109,277.28 and 43,375.02 is: 59,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,187.16 : 109,277.28 = 43,375.02 : x
  2. Step 2: Convert to fraction form
    79,187.16/109,277.28 = 43,375.02/x
  3. Step 3: Cross multiply
    79,187.16x = 109,277.28 × 43,375.02
  4. Step 4: Simplify right side
    79,187.16x = 4,739,904,205.55
  5. Step 5: Solve for x
    x = 4,739,904,205.55/79,187.16
  6. Step 6: Final answer
    x = 59,856.98

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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.