Home / 65,823.64-90,836.20-35,608.84

Finding the Fourth Proportional to 65,823.64, 90,836.20 and 35,608.84

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Solution

The fourth proportional to 65,823.64, 90,836.20 and 35,608.84 is: 49,139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,823.64 : 90,836.20 = 35,608.84 : x
  2. Step 2: Convert to fraction form
    65,823.64/90,836.20 = 35,608.84/x
  3. Step 3: Cross multiply
    65,823.64x = 90,836.20 × 35,608.84
  4. Step 4: Simplify right side
    65,823.64x = 3,234,571,712.01
  5. Step 5: Solve for x
    x = 3,234,571,712.01/65,823.64
  6. Step 6: Final answer
    x = 49,139.97

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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.