Home / 74,335.47-111,455.82-31,617.96

Finding the Fourth Proportional to 74,335.47, 111,455.82 and 31,617.96

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Solution

The fourth proportional to 74,335.47, 111,455.82 and 31,617.96 is: 47,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,335.47 : 111,455.82 = 31,617.96 : x
  2. Step 2: Convert to fraction form
    74,335.47/111,455.82 = 31,617.96/x
  3. Step 3: Cross multiply
    74,335.47x = 111,455.82 × 31,617.96
  4. Step 4: Simplify right side
    74,335.47x = 3,524,005,658.53
  5. Step 5: Solve for x
    x = 3,524,005,658.53/74,335.47
  6. Step 6: Final answer
    x = 47,406.79

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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.