Home / 45,164.05-67,695.33-21,452.19

Finding the Fourth Proportional to 45,164.05, 67,695.33 and 21,452.19

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Solution

The fourth proportional to 45,164.05, 67,695.33 and 21,452.19 is: 32,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.05 : 67,695.33 = 21,452.19 : x
  2. Step 2: Convert to fraction form
    45,164.05/67,695.33 = 21,452.19/x
  3. Step 3: Cross multiply
    45,164.05x = 67,695.33 × 21,452.19
  4. Step 4: Simplify right side
    45,164.05x = 1,452,213,167.98
  5. Step 5: Solve for x
    x = 1,452,213,167.98/45,164.05
  6. Step 6: Final answer
    x = 32,154.19

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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.