Home / 56,824.40-85,261.19-30,498.39

Finding the Fourth Proportional to 56,824.40, 85,261.19 and 30,498.39

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Solution

The fourth proportional to 56,824.40, 85,261.19 and 30,498.39 is: 45,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.40 : 85,261.19 = 30,498.39 : x
  2. Step 2: Convert to fraction form
    56,824.40/85,261.19 = 30,498.39/x
  3. Step 3: Cross multiply
    56,824.40x = 85,261.19 × 30,498.39
  4. Step 4: Simplify right side
    56,824.40x = 2,600,328,871.99
  5. Step 5: Solve for x
    x = 2,600,328,871.99/56,824.40
  6. Step 6: Final answer
    x = 45,760.78

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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.