Home / 52,064.64-71,881.56-40,104.72

Finding the Fourth Proportional to 52,064.64, 71,881.56 and 40,104.72

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Solution

The fourth proportional to 52,064.64, 71,881.56 and 40,104.72 is: 55,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.64 : 71,881.56 = 40,104.72 : x
  2. Step 2: Convert to fraction form
    52,064.64/71,881.56 = 40,104.72/x
  3. Step 3: Cross multiply
    52,064.64x = 71,881.56 × 40,104.72
  4. Step 4: Simplify right side
    52,064.64x = 2,882,789,836.96
  5. Step 5: Solve for x
    x = 2,882,789,836.96/52,064.64
  6. Step 6: Final answer
    x = 55,369.44

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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.