Home / 63,731.72-87,940.14-36,868.92

Finding the Fourth Proportional to 63,731.72, 87,940.14 and 36,868.92

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Solution

The fourth proportional to 63,731.72, 87,940.14 and 36,868.92 is: 50,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,731.72 : 87,940.14 = 36,868.92 : x
  2. Step 2: Convert to fraction form
    63,731.72/87,940.14 = 36,868.92/x
  3. Step 3: Cross multiply
    63,731.72x = 87,940.14 × 36,868.92
  4. Step 4: Simplify right side
    63,731.72x = 3,242,257,986.45
  5. Step 5: Solve for x
    x = 3,242,257,986.45/63,731.72
  6. Step 6: Final answer
    x = 50,873.54

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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.