Home / 91,324.20-136,953.48-35,135.61

Finding the Fourth Proportional to 91,324.20, 136,953.48 and 35,135.61

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Solution

The fourth proportional to 91,324.20, 136,953.48 and 35,135.61 is: 52,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,324.20 : 136,953.48 = 35,135.61 : x
  2. Step 2: Convert to fraction form
    91,324.20/136,953.48 = 35,135.61/x
  3. Step 3: Cross multiply
    91,324.20x = 136,953.48 × 35,135.61
  4. Step 4: Simplify right side
    91,324.20x = 4,811,944,061.42
  5. Step 5: Solve for x
    x = 4,811,944,061.42/91,324.20
  6. Step 6: Final answer
    x = 52,690.79

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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.