Home / 47,301.44-70,771.68-28,512.32

Finding the Fourth Proportional to 47,301.44, 70,771.68 and 28,512.32

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Solution

The fourth proportional to 47,301.44, 70,771.68 and 28,512.32 is: 42,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.44 : 70,771.68 = 28,512.32 : x
  2. Step 2: Convert to fraction form
    47,301.44/70,771.68 = 28,512.32/x
  3. Step 3: Cross multiply
    47,301.44x = 70,771.68 × 28,512.32
  4. Step 4: Simplify right side
    47,301.44x = 2,017,864,787.10
  5. Step 5: Solve for x
    x = 2,017,864,787.10/47,301.44
  6. Step 6: Final answer
    x = 42,659.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.