Home / 47,548.35-71,318.40-28,822.88

Finding the Fourth Proportional to 47,548.35, 71,318.40 and 28,822.88

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Solution

The fourth proportional to 47,548.35, 71,318.40 and 28,822.88 is: 43,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,548.35 : 71,318.40 = 28,822.88 : x
  2. Step 2: Convert to fraction form
    47,548.35/71,318.40 = 28,822.88/x
  3. Step 3: Cross multiply
    47,548.35x = 71,318.40 × 28,822.88
  4. Step 4: Simplify right side
    47,548.35x = 2,055,601,328.40
  5. Step 5: Solve for x
    x = 2,055,601,328.40/47,548.35
  6. Step 6: Final answer
    x = 43,231.81

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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.