Home / 98,553.42-147,791.79-31,977.45

Finding the Fourth Proportional to 98,553.42, 147,791.79 and 31,977.45

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Solution

The fourth proportional to 98,553.42, 147,791.79 and 31,977.45 is: 47,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,553.42 : 147,791.79 = 31,977.45 : x
  2. Step 2: Convert to fraction form
    98,553.42/147,791.79 = 31,977.45/x
  3. Step 3: Cross multiply
    98,553.42x = 147,791.79 × 31,977.45
  4. Step 4: Simplify right side
    98,553.42x = 4,726,004,575.14
  5. Step 5: Solve for x
    x = 4,726,004,575.14/98,553.42
  6. Step 6: Final answer
    x = 47,953.73

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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.