Home / 75,132.85-112,756.38-27,792.73

Finding the Fourth Proportional to 75,132.85, 112,756.38 and 27,792.73

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Solution

The fourth proportional to 75,132.85, 112,756.38 and 27,792.73 is: 41,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132.85 : 112,756.38 = 27,792.73 : x
  2. Step 2: Convert to fraction form
    75,132.85/112,756.38 = 27,792.73/x
  3. Step 3: Cross multiply
    75,132.85x = 112,756.38 × 27,792.73
  4. Step 4: Simplify right side
    75,132.85x = 3,133,807,625.12
  5. Step 5: Solve for x
    x = 3,133,807,625.12/75,132.85
  6. Step 6: Final answer
    x = 41,710.22

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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.