Home / 57,328.40-85,992.60-37,629.20

Finding the Fourth Proportional to 57,328.40, 85,992.60 and 37,629.20

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Solution

The fourth proportional to 57,328.40, 85,992.60 and 37,629.20 is: 56,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.40 : 85,992.60 = 37,629.20 : x
  2. Step 2: Convert to fraction form
    57,328.40/85,992.60 = 37,629.20/x
  3. Step 3: Cross multiply
    57,328.40x = 85,992.60 × 37,629.20
  4. Step 4: Simplify right side
    57,328.40x = 3,235,832,743.92
  5. Step 5: Solve for x
    x = 3,235,832,743.92/57,328.40
  6. Step 6: Final answer
    x = 56,443.80

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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.