Home / 90,796.88-136,114.68-35,379.92

Finding the Fourth Proportional to 90,796.88, 136,114.68 and 35,379.92

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Solution

The fourth proportional to 90,796.88, 136,114.68 and 35,379.92 is: 53,038.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,796.88 : 136,114.68 = 35,379.92 : x
  2. Step 2: Convert to fraction form
    90,796.88/136,114.68 = 35,379.92/x
  3. Step 3: Cross multiply
    90,796.88x = 136,114.68 × 35,379.92
  4. Step 4: Simplify right side
    90,796.88x = 4,815,726,489.23
  5. Step 5: Solve for x
    x = 4,815,726,489.23/90,796.88
  6. Step 6: Final answer
    x = 53,038.46

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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.