Home / 79,532.32-109,757.64-43,725.28

Finding the Fourth Proportional to 79,532.32, 109,757.64 and 43,725.28

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Solution

The fourth proportional to 79,532.32, 109,757.64 and 43,725.28 is: 60,342.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,532.32 : 109,757.64 = 43,725.28 : x
  2. Step 2: Convert to fraction form
    79,532.32/109,757.64 = 43,725.28/x
  3. Step 3: Cross multiply
    79,532.32x = 109,757.64 × 43,725.28
  4. Step 4: Simplify right side
    79,532.32x = 4,799,183,541.14
  5. Step 5: Solve for x
    x = 4,799,183,541.14/79,532.32
  6. Step 6: Final answer
    x = 60,342.56

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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.