Home / 79,170.07-109,250.62-43,353.15

Finding the Fourth Proportional to 79,170.07, 109,250.62 and 43,353.15

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Solution

The fourth proportional to 79,170.07, 109,250.62 and 43,353.15 is: 59,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.07 : 109,250.62 = 43,353.15 : x
  2. Step 2: Convert to fraction form
    79,170.07/109,250.62 = 43,353.15/x
  3. Step 3: Cross multiply
    79,170.07x = 109,250.62 × 43,353.15
  4. Step 4: Simplify right side
    79,170.07x = 4,736,358,408.07
  5. Step 5: Solve for x
    x = 4,736,358,408.07/79,170.07
  6. Step 6: Final answer
    x = 59,825.12

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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.