Home / 63,639.97-87,803.39-36,772.67

Finding the Fourth Proportional to 63,639.97, 87,803.39 and 36,772.67

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Solution

The fourth proportional to 63,639.97, 87,803.39 and 36,772.67 is: 50,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.97 : 87,803.39 = 36,772.67 : x
  2. Step 2: Convert to fraction form
    63,639.97/87,803.39 = 36,772.67/x
  3. Step 3: Cross multiply
    63,639.97x = 87,803.39 × 36,772.67
  4. Step 4: Simplify right side
    63,639.97x = 3,228,765,085.35
  5. Step 5: Solve for x
    x = 3,228,765,085.35/63,639.97
  6. Step 6: Final answer
    x = 50,734.86

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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.