Home / 99,390.50-149,073.11-32,814.26

Finding the Fourth Proportional to 99,390.50, 149,073.11 and 32,814.26

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Solution

The fourth proportional to 99,390.50, 149,073.11 and 32,814.26 is: 49,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,390.50 : 149,073.11 = 32,814.26 : x
  2. Step 2: Convert to fraction form
    99,390.50/149,073.11 = 32,814.26/x
  3. Step 3: Cross multiply
    99,390.50x = 149,073.11 × 32,814.26
  4. Step 4: Simplify right side
    99,390.50x = 4,891,723,790.55
  5. Step 5: Solve for x
    x = 4,891,723,790.55/99,390.50
  6. Step 6: Final answer
    x = 49,217.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.