Home / 57,574.08-86,364.21-18,134.28

Finding the Fourth Proportional to 57,574.08, 86,364.21 and 18,134.28

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Solution

The fourth proportional to 57,574.08, 86,364.21 and 18,134.28 is: 27,202.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.08 : 86,364.21 = 18,134.28 : x
  2. Step 2: Convert to fraction form
    57,574.08/86,364.21 = 18,134.28/x
  3. Step 3: Cross multiply
    57,574.08x = 86,364.21 × 18,134.28
  4. Step 4: Simplify right side
    57,574.08x = 1,566,152,766.12
  5. Step 5: Solve for x
    x = 1,566,152,766.12/57,574.08
  6. Step 6: Final answer
    x = 27,202.39

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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.