Home / 79,734.72-110,033.28-43,928.64

Finding the Fourth Proportional to 79,734.72, 110,033.28 and 43,928.64

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Solution

The fourth proportional to 79,734.72, 110,033.28 and 43,928.64 is: 60,621.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,734.72 : 110,033.28 = 43,928.64 : x
  2. Step 2: Convert to fraction form
    79,734.72/110,033.28 = 43,928.64/x
  3. Step 3: Cross multiply
    79,734.72x = 110,033.28 × 43,928.64
  4. Step 4: Simplify right side
    79,734.72x = 4,833,612,345.14
  5. Step 5: Solve for x
    x = 4,833,612,345.14/79,734.72
  6. Step 6: Final answer
    x = 60,621.17

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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.