Home / 63,311.34-87,369.66-38,165.70

Finding the Fourth Proportional to 63,311.34, 87,369.66 and 38,165.70

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Solution

The fourth proportional to 63,311.34, 87,369.66 and 38,165.70 is: 52,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,311.34 : 87,369.66 = 38,165.70 : x
  2. Step 2: Convert to fraction form
    63,311.34/87,369.66 = 38,165.70/x
  3. Step 3: Cross multiply
    63,311.34x = 87,369.66 × 38,165.70
  4. Step 4: Simplify right side
    63,311.34x = 3,334,524,232.66
  5. Step 5: Solve for x
    x = 3,334,524,232.66/63,311.34
  6. Step 6: Final answer
    x = 52,668.67

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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.