Home / 75,401.49-113,102.17-19,241.60

Finding the Fourth Proportional to 75,401.49, 113,102.17 and 19,241.60

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Solution

The fourth proportional to 75,401.49, 113,102.17 and 19,241.60 is: 28,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,401.49 : 113,102.17 = 19,241.60 : x
  2. Step 2: Convert to fraction form
    75,401.49/113,102.17 = 19,241.60/x
  3. Step 3: Cross multiply
    75,401.49x = 113,102.17 × 19,241.60
  4. Step 4: Simplify right side
    75,401.49x = 2,176,266,736.86
  5. Step 5: Solve for x
    x = 2,176,266,736.86/75,401.49
  6. Step 6: Final answer
    x = 28,862.38

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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.