Home / 57,662.48-86,498.76-18,209.36

Finding the Fourth Proportional to 57,662.48, 86,498.76 and 18,209.36

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Solution

The fourth proportional to 57,662.48, 86,498.76 and 18,209.36 is: 27,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,662.48 : 86,498.76 = 18,209.36 : x
  2. Step 2: Convert to fraction form
    57,662.48/86,498.76 = 18,209.36/x
  3. Step 3: Cross multiply
    57,662.48x = 86,498.76 × 18,209.36
  4. Step 4: Simplify right side
    57,662.48x = 1,575,087,060.39
  5. Step 5: Solve for x
    x = 1,575,087,060.39/57,662.48
  6. Step 6: Final answer
    x = 27,315.63

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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.