Home / 57,514.92-86,281.08-18,068.32

Finding the Fourth Proportional to 57,514.92, 86,281.08 and 18,068.32

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Solution

The fourth proportional to 57,514.92, 86,281.08 and 18,068.32 is: 27,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.92 : 86,281.08 = 18,068.32 : x
  2. Step 2: Convert to fraction form
    57,514.92/86,281.08 = 18,068.32/x
  3. Step 3: Cross multiply
    57,514.92x = 86,281.08 × 18,068.32
  4. Step 4: Simplify right side
    57,514.92x = 1,558,954,163.39
  5. Step 5: Solve for x
    x = 1,558,954,163.39/57,514.92
  6. Step 6: Final answer
    x = 27,105.21

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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.