Home / 109,897.21-164,732.75-49,967.37

Finding the Fourth Proportional to 109,897.21, 164,732.75 and 49,967.37

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Solution

The fourth proportional to 109,897.21, 164,732.75 and 49,967.37 is: 74,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,897.21 : 164,732.75 = 49,967.37 : x
  2. Step 2: Convert to fraction form
    109,897.21/164,732.75 = 49,967.37/x
  3. Step 3: Cross multiply
    109,897.21x = 164,732.75 × 49,967.37
  4. Step 4: Simplify right side
    109,897.21x = 8,231,262,270.37
  5. Step 5: Solve for x
    x = 8,231,262,270.37/109,897.21
  6. Step 6: Final answer
    x = 74,899.65

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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.