Home / 65,742.55-90,724.71-35,527.88

Finding the Fourth Proportional to 65,742.55, 90,724.71 and 35,527.88

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Solution

The fourth proportional to 65,742.55, 90,724.71 and 35,527.88 is: 49,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,742.55 : 90,724.71 = 35,527.88 : x
  2. Step 2: Convert to fraction form
    65,742.55/90,724.71 = 35,527.88/x
  3. Step 3: Cross multiply
    65,742.55x = 90,724.71 × 35,527.88
  4. Step 4: Simplify right side
    65,742.55x = 3,223,256,609.91
  5. Step 5: Solve for x
    x = 3,223,256,609.91/65,742.55
  6. Step 6: Final answer
    x = 49,028.47

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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.