Home / 45,020.73-67,531.14-11,740.77

Finding the Fourth Proportional to 45,020.73, 67,531.14 and 11,740.77

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Solution

The fourth proportional to 45,020.73, 67,531.14 and 11,740.77 is: 17,611.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,020.73 : 67,531.14 = 11,740.77 : x
  2. Step 2: Convert to fraction form
    45,020.73/67,531.14 = 11,740.77/x
  3. Step 3: Cross multiply
    45,020.73x = 67,531.14 × 11,740.77
  4. Step 4: Simplify right side
    45,020.73x = 792,867,582.58
  5. Step 5: Solve for x
    x = 792,867,582.58/45,020.73
  6. Step 6: Final answer
    x = 17,611.17

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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.