Home / 57,726.78-86,588.13-22,178.94

Finding the Fourth Proportional to 57,726.78, 86,588.13 and 22,178.94

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Solution

The fourth proportional to 57,726.78, 86,588.13 and 22,178.94 is: 33,267.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.78 : 86,588.13 = 22,178.94 : x
  2. Step 2: Convert to fraction form
    57,726.78/86,588.13 = 22,178.94/x
  3. Step 3: Cross multiply
    57,726.78x = 86,588.13 × 22,178.94
  4. Step 4: Simplify right side
    57,726.78x = 1,920,432,939.98
  5. Step 5: Solve for x
    x = 1,920,432,939.98/57,726.78
  6. Step 6: Final answer
    x = 33,267.63

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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.