Home / 63,611.11-87,638.92-49,221.46

Finding the Fourth Proportional to 63,611.11, 87,638.92 and 49,221.46

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Solution

The fourth proportional to 63,611.11, 87,638.92 and 49,221.46 is: 67,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,611.11 : 87,638.92 = 49,221.46 : x
  2. Step 2: Convert to fraction form
    63,611.11/87,638.92 = 49,221.46/x
  3. Step 3: Cross multiply
    63,611.11x = 87,638.92 × 49,221.46
  4. Step 4: Simplify right side
    63,611.11x = 4,313,715,595.22
  5. Step 5: Solve for x
    x = 4,313,715,595.22/63,611.11
  6. Step 6: Final answer
    x = 67,813.87

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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.