Home / 47,168.72-65,076.48-29,257.28

Finding the Fourth Proportional to 47,168.72, 65,076.48 and 29,257.28

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Solution

The fourth proportional to 47,168.72, 65,076.48 and 29,257.28 is: 40,364.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,168.72 : 65,076.48 = 29,257.28 : x
  2. Step 2: Convert to fraction form
    47,168.72/65,076.48 = 29,257.28/x
  3. Step 3: Cross multiply
    47,168.72x = 65,076.48 × 29,257.28
  4. Step 4: Simplify right side
    47,168.72x = 1,903,960,796.77
  5. Step 5: Solve for x
    x = 1,903,960,796.77/47,168.72
  6. Step 6: Final answer
    x = 40,364.90

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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.