Home / 59,986.76-82,778.10-36,121.16

Finding the Fourth Proportional to 59,986.76, 82,778.10 and 36,121.16

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Solution

The fourth proportional to 59,986.76, 82,778.10 and 36,121.16 is: 49,845.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,986.76 : 82,778.10 = 36,121.16 : x
  2. Step 2: Convert to fraction form
    59,986.76/82,778.10 = 36,121.16/x
  3. Step 3: Cross multiply
    59,986.76x = 82,778.10 × 36,121.16
  4. Step 4: Simplify right side
    59,986.76x = 2,990,040,994.60
  5. Step 5: Solve for x
    x = 2,990,040,994.60/59,986.76
  6. Step 6: Final answer
    x = 49,845.02

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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.