Home / 63,635.84-87,812.34-36,780.09

Finding the Fourth Proportional to 63,635.84, 87,812.34 and 36,780.09

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Solution

The fourth proportional to 63,635.84, 87,812.34 and 36,780.09 is: 50,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,635.84 : 87,812.34 = 36,780.09 : x
  2. Step 2: Convert to fraction form
    63,635.84/87,812.34 = 36,780.09/x
  3. Step 3: Cross multiply
    63,635.84x = 87,812.34 × 36,780.09
  4. Step 4: Simplify right side
    63,635.84x = 3,229,745,364.88
  5. Step 5: Solve for x
    x = 3,229,745,364.88/63,635.84
  6. Step 6: Final answer
    x = 50,753.56

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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.