Home / 108,476.06-149,717.70-63,161.01

Finding the Fourth Proportional to 108,476.06, 149,717.70 and 63,161.01

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Solution

The fourth proportional to 108,476.06, 149,717.70 and 63,161.01 is: 87,174.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.06 : 149,717.70 = 63,161.01 : x
  2. Step 2: Convert to fraction form
    108,476.06/149,717.70 = 63,161.01/x
  3. Step 3: Cross multiply
    108,476.06x = 149,717.70 × 63,161.01
  4. Step 4: Simplify right side
    108,476.06x = 9,456,321,146.88
  5. Step 5: Solve for x
    x = 9,456,321,146.88/108,476.06
  6. Step 6: Final answer
    x = 87,174.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.