Home / 75,229.55-103,817.96-45,016.14

Finding the Fourth Proportional to 75,229.55, 103,817.96 and 45,016.14

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Solution

The fourth proportional to 75,229.55, 103,817.96 and 45,016.14 is: 62,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,229.55 : 103,817.96 = 45,016.14 : x
  2. Step 2: Convert to fraction form
    75,229.55/103,817.96 = 45,016.14/x
  3. Step 3: Cross multiply
    75,229.55x = 103,817.96 × 45,016.14
  4. Step 4: Simplify right side
    75,229.55x = 4,673,483,821.87
  5. Step 5: Solve for x
    x = 4,673,483,821.87/75,229.55
  6. Step 6: Final answer
    x = 62,122.98

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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.