Home / 56,344.68-84,516.48-45,764.28

Finding the Fourth Proportional to 56,344.68, 84,516.48 and 45,764.28

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Solution

The fourth proportional to 56,344.68, 84,516.48 and 45,764.28 is: 68,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.68 : 84,516.48 = 45,764.28 : x
  2. Step 2: Convert to fraction form
    56,344.68/84,516.48 = 45,764.28/x
  3. Step 3: Cross multiply
    56,344.68x = 84,516.48 × 45,764.28
  4. Step 4: Simplify right side
    56,344.68x = 3,867,835,855.33
  5. Step 5: Solve for x
    x = 3,867,835,855.33/56,344.68
  6. Step 6: Final answer
    x = 68,645.98

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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.