Home / 79,260.41-109,386.27-43,457.25

Finding the Fourth Proportional to 79,260.41, 109,386.27 and 43,457.25

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Solution

The fourth proportional to 79,260.41, 109,386.27 and 43,457.25 is: 59,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260.41 : 109,386.27 = 43,457.25 : x
  2. Step 2: Convert to fraction form
    79,260.41/109,386.27 = 43,457.25/x
  3. Step 3: Cross multiply
    79,260.41x = 109,386.27 × 43,457.25
  4. Step 4: Simplify right side
    79,260.41x = 4,753,626,481.96
  5. Step 5: Solve for x
    x = 4,753,626,481.96/79,260.41
  6. Step 6: Final answer
    x = 59,974.79

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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.