Home / 43,073.29-64,609.89-13,493.43

Finding the Fourth Proportional to 43,073.29, 64,609.89 and 13,493.43

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Solution

The fourth proportional to 43,073.29, 64,609.89 and 13,493.43 is: 20,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.29 : 64,609.89 = 13,493.43 : x
  2. Step 2: Convert to fraction form
    43,073.29/64,609.89 = 13,493.43/x
  3. Step 3: Cross multiply
    43,073.29x = 64,609.89 × 13,493.43
  4. Step 4: Simplify right side
    43,073.29x = 871,808,977.42
  5. Step 5: Solve for x
    x = 871,808,977.42/43,073.29
  6. Step 6: Final answer
    x = 20,240.13

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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.