Home / 57,730.20-86,552.10-31,464.60

Finding the Fourth Proportional to 57,730.20, 86,552.10 and 31,464.60

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Solution

The fourth proportional to 57,730.20, 86,552.10 and 31,464.60 is: 47,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,730.20 : 86,552.10 = 31,464.60 : x
  2. Step 2: Convert to fraction form
    57,730.20/86,552.10 = 31,464.60/x
  3. Step 3: Cross multiply
    57,730.20x = 86,552.10 × 31,464.60
  4. Step 4: Simplify right side
    57,730.20x = 2,723,327,205.66
  5. Step 5: Solve for x
    x = 2,723,327,205.66/57,730.20
  6. Step 6: Final answer
    x = 47,173.35

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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.