Home / 64,721.21-97,105.19-22,607.51

Finding the Fourth Proportional to 64,721.21, 97,105.19 and 22,607.51

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Solution

The fourth proportional to 64,721.21, 97,105.19 and 22,607.51 is: 33,919.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.21 : 97,105.19 = 22,607.51 : x
  2. Step 2: Convert to fraction form
    64,721.21/97,105.19 = 22,607.51/x
  3. Step 3: Cross multiply
    64,721.21x = 97,105.19 × 22,607.51
  4. Step 4: Simplify right side
    64,721.21x = 2,195,305,955.41
  5. Step 5: Solve for x
    x = 2,195,305,955.41/64,721.21
  6. Step 6: Final answer
    x = 33,919.42

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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.