Home / 47,129.40-65,089.31-29,266.83

Finding the Fourth Proportional to 47,129.40, 65,089.31 and 29,266.83

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Solution

The fourth proportional to 47,129.40, 65,089.31 and 29,266.83 is: 40,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.40 : 65,089.31 = 29,266.83 : x
  2. Step 2: Convert to fraction form
    47,129.40/65,089.31 = 29,266.83/x
  3. Step 3: Cross multiply
    47,129.40x = 65,089.31 × 29,266.83
  4. Step 4: Simplify right side
    47,129.40x = 1,904,957,624.25
  5. Step 5: Solve for x
    x = 1,904,957,624.25/47,129.40
  6. Step 6: Final answer
    x = 40,419.73

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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.