Home / 63,639.68-87,817.62-36,783.93

Finding the Fourth Proportional to 63,639.68, 87,817.62 and 36,783.93

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Solution

The fourth proportional to 63,639.68, 87,817.62 and 36,783.93 is: 50,758.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.68 : 87,817.62 = 36,783.93 : x
  2. Step 2: Convert to fraction form
    63,639.68/87,817.62 = 36,783.93/x
  3. Step 3: Cross multiply
    63,639.68x = 87,817.62 × 36,783.93
  4. Step 4: Simplify right side
    63,639.68x = 3,230,277,186.85
  5. Step 5: Solve for x
    x = 3,230,277,186.85/63,639.68
  6. Step 6: Final answer
    x = 50,758.85

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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.