Home / 75,329.49-113,000.89-27,945.12

Finding the Fourth Proportional to 75,329.49, 113,000.89 and 27,945.12

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Solution

The fourth proportional to 75,329.49, 113,000.89 and 27,945.12 is: 41,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.49 : 113,000.89 = 27,945.12 : x
  2. Step 2: Convert to fraction form
    75,329.49/113,000.89 = 27,945.12/x
  3. Step 3: Cross multiply
    75,329.49x = 113,000.89 × 27,945.12
  4. Step 4: Simplify right side
    75,329.49x = 3,157,823,431.16
  5. Step 5: Solve for x
    x = 3,157,823,431.16/75,329.49
  6. Step 6: Final answer
    x = 41,920.15

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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.