Home / 81,035.82-111,860.08-60,950.71

Finding the Fourth Proportional to 81,035.82, 111,860.08 and 60,950.71

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Solution

The fourth proportional to 81,035.82, 111,860.08 and 60,950.71 is: 84,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,035.82 : 111,860.08 = 60,950.71 : x
  2. Step 2: Convert to fraction form
    81,035.82/111,860.08 = 60,950.71/x
  3. Step 3: Cross multiply
    81,035.82x = 111,860.08 × 60,950.71
  4. Step 4: Simplify right side
    81,035.82x = 6,817,950,889.73
  5. Step 5: Solve for x
    x = 6,817,950,889.73/81,035.82
  6. Step 6: Final answer
    x = 84,135.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.