Home / 57,566.70-86,362.20-18,127.80

Finding the Fourth Proportional to 57,566.70, 86,362.20 and 18,127.80

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Solution

The fourth proportional to 57,566.70, 86,362.20 and 18,127.80 is: 27,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,566.70 : 86,362.20 = 18,127.80 : x
  2. Step 2: Convert to fraction form
    57,566.70/86,362.20 = 18,127.80/x
  3. Step 3: Cross multiply
    57,566.70x = 86,362.20 × 18,127.80
  4. Step 4: Simplify right side
    57,566.70x = 1,565,556,689.16
  5. Step 5: Solve for x
    x = 1,565,556,689.16/57,566.70
  6. Step 6: Final answer
    x = 27,195.53

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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.