Home / 65,760.64-90,750.35-35,546.55

Finding the Fourth Proportional to 65,760.64, 90,750.35 and 35,546.55

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Solution

The fourth proportional to 65,760.64, 90,750.35 and 35,546.55 is: 49,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,760.64 : 90,750.35 = 35,546.55 : x
  2. Step 2: Convert to fraction form
    65,760.64/90,750.35 = 35,546.55/x
  3. Step 3: Cross multiply
    65,760.64x = 90,750.35 × 35,546.55
  4. Step 4: Simplify right side
    65,760.64x = 3,225,861,853.79
  5. Step 5: Solve for x
    x = 3,225,861,853.79/65,760.64
  6. Step 6: Final answer
    x = 49,054.60

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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.