Home / 57,734.60-86,585.70-18,303.80

Finding the Fourth Proportional to 57,734.60, 86,585.70 and 18,303.80

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Solution

The fourth proportional to 57,734.60, 86,585.70 and 18,303.80 is: 27,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,734.60 : 86,585.70 = 18,303.80 : x
  2. Step 2: Convert to fraction form
    57,734.60/86,585.70 = 18,303.80/x
  3. Step 3: Cross multiply
    57,734.60x = 86,585.70 × 18,303.80
  4. Step 4: Simplify right side
    57,734.60x = 1,584,847,335.66
  5. Step 5: Solve for x
    x = 1,584,847,335.66/57,734.60
  6. Step 6: Final answer
    x = 27,450.56

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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.