Home / 79,270.54-109,390.97-43,459.32

Finding the Fourth Proportional to 79,270.54, 109,390.97 and 43,459.32

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Solution

The fourth proportional to 79,270.54, 109,390.97 and 43,459.32 is: 59,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,270.54 : 109,390.97 = 43,459.32 : x
  2. Step 2: Convert to fraction form
    79,270.54/109,390.97 = 43,459.32/x
  3. Step 3: Cross multiply
    79,270.54x = 109,390.97 × 43,459.32
  4. Step 4: Simplify right side
    79,270.54x = 4,754,057,689.20
  5. Step 5: Solve for x
    x = 4,754,057,689.20/79,270.54
  6. Step 6: Final answer
    x = 59,972.57

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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.