Home / 57,731.20-86,629.20-24,445.60

Finding the Fourth Proportional to 57,731.20, 86,629.20 and 24,445.60

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Solution

The fourth proportional to 57,731.20, 86,629.20 and 24,445.60 is: 36,682.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.20 : 86,629.20 = 24,445.60 : x
  2. Step 2: Convert to fraction form
    57,731.20/86,629.20 = 24,445.60/x
  3. Step 3: Cross multiply
    57,731.20x = 86,629.20 × 24,445.60
  4. Step 4: Simplify right side
    57,731.20x = 2,117,702,771.52
  5. Step 5: Solve for x
    x = 2,117,702,771.52/57,731.20
  6. Step 6: Final answer
    x = 36,682.12

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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.