Home / 49,742.28-74,613.52-40,958.76

Finding the Fourth Proportional to 49,742.28, 74,613.52 and 40,958.76

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Solution

The fourth proportional to 49,742.28, 74,613.52 and 40,958.76 is: 61,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.28 : 74,613.52 = 40,958.76 : x
  2. Step 2: Convert to fraction form
    49,742.28/74,613.52 = 40,958.76/x
  3. Step 3: Cross multiply
    49,742.28x = 74,613.52 × 40,958.76
  4. Step 4: Simplify right side
    49,742.28x = 3,056,077,258.44
  5. Step 5: Solve for x
    x = 3,056,077,258.44/49,742.28
  6. Step 6: Final answer
    x = 61,438.22

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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.