Home / 63,684.04-87,861.57-38,198.66

Finding the Fourth Proportional to 63,684.04, 87,861.57 and 38,198.66

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Solution

The fourth proportional to 63,684.04, 87,861.57 and 38,198.66 is: 52,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,684.04 : 87,861.57 = 38,198.66 : x
  2. Step 2: Convert to fraction form
    63,684.04/87,861.57 = 38,198.66/x
  3. Step 3: Cross multiply
    63,684.04x = 87,861.57 × 38,198.66
  4. Step 4: Simplify right side
    63,684.04x = 3,356,193,764.38
  5. Step 5: Solve for x
    x = 3,356,193,764.38/63,684.04
  6. Step 6: Final answer
    x = 52,700.70

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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.