Home / 70,305.17-96,907.19-43,388.66

Finding the Fourth Proportional to 70,305.17, 96,907.19 and 43,388.66

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Solution

The fourth proportional to 70,305.17, 96,907.19 and 43,388.66 is: 59,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305.17 : 96,907.19 = 43,388.66 : x
  2. Step 2: Convert to fraction form
    70,305.17/96,907.19 = 43,388.66/x
  3. Step 3: Cross multiply
    70,305.17x = 96,907.19 × 43,388.66
  4. Step 4: Simplify right side
    70,305.17x = 4,204,673,143.79
  5. Step 5: Solve for x
    x = 4,204,673,143.79/70,305.17
  6. Step 6: Final answer
    x = 59,806.03

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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.