Home / 57,989.47-86,997.83-18,006.41

Finding the Fourth Proportional to 57,989.47, 86,997.83 and 18,006.41

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Solution

The fourth proportional to 57,989.47, 86,997.83 and 18,006.41 is: 27,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,989.47 : 86,997.83 = 18,006.41 : x
  2. Step 2: Convert to fraction form
    57,989.47/86,997.83 = 18,006.41/x
  3. Step 3: Cross multiply
    57,989.47x = 86,997.83 × 18,006.41
  4. Step 4: Simplify right side
    57,989.47x = 1,566,518,071.07
  5. Step 5: Solve for x
    x = 1,566,518,071.07/57,989.47
  6. Step 6: Final answer
    x = 27,013.84

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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.