Home / 67,331.83-100,997.58-19,950.61

Finding the Fourth Proportional to 67,331.83, 100,997.58 and 19,950.61

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Solution

The fourth proportional to 67,331.83, 100,997.58 and 19,950.61 is: 29,925.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,331.83 : 100,997.58 = 19,950.61 : x
  2. Step 2: Convert to fraction form
    67,331.83/100,997.58 = 19,950.61/x
  3. Step 3: Cross multiply
    67,331.83x = 100,997.58 × 19,950.61
  4. Step 4: Simplify right side
    67,331.83x = 2,014,963,329.52
  5. Step 5: Solve for x
    x = 2,014,963,329.52/67,331.83
  6. Step 6: Final answer
    x = 29,925.87

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1.5x scale

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.