Home / 47,923.30-66,129.10-29,523.52

Finding the Fourth Proportional to 47,923.30, 66,129.10 and 29,523.52

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Solution

The fourth proportional to 47,923.30, 66,129.10 and 29,523.52 is: 40,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,923.30 : 66,129.10 = 29,523.52 : x
  2. Step 2: Convert to fraction form
    47,923.30/66,129.10 = 29,523.52/x
  3. Step 3: Cross multiply
    47,923.30x = 66,129.10 × 29,523.52
  4. Step 4: Simplify right side
    47,923.30x = 1,952,363,806.43
  5. Step 5: Solve for x
    x = 1,952,363,806.43/47,923.30
  6. Step 6: Final answer
    x = 40,739.34

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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.