Home / 65,825.62-90,838.98-35,610.84

Finding the Fourth Proportional to 65,825.62, 90,838.98 and 35,610.84

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Solution

The fourth proportional to 65,825.62, 90,838.98 and 35,610.84 is: 49,142.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,825.62 : 90,838.98 = 35,610.84 : x
  2. Step 2: Convert to fraction form
    65,825.62/90,838.98 = 35,610.84/x
  3. Step 3: Cross multiply
    65,825.62x = 90,838.98 × 35,610.84
  4. Step 4: Simplify right side
    65,825.62x = 3,234,852,382.54
  5. Step 5: Solve for x
    x = 3,234,852,382.54/65,825.62
  6. Step 6: Final answer
    x = 49,142.76

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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.