Home / 56,733.20-85,099.80-25,629.20

Finding the Fourth Proportional to 56,733.20, 85,099.80 and 25,629.20

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Solution

The fourth proportional to 56,733.20, 85,099.80 and 25,629.20 is: 38,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.20 : 85,099.80 = 25,629.20 : x
  2. Step 2: Convert to fraction form
    56,733.20/85,099.80 = 25,629.20/x
  3. Step 3: Cross multiply
    56,733.20x = 85,099.80 × 25,629.20
  4. Step 4: Simplify right side
    56,733.20x = 2,181,039,794.16
  5. Step 5: Solve for x
    x = 2,181,039,794.16/56,733.20
  6. Step 6: Final answer
    x = 38,443.80

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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.