Home / 108,476.01-149,679.04-68,161.20

Finding the Fourth Proportional to 108,476.01, 149,679.04 and 68,161.20

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Solution

The fourth proportional to 108,476.01, 149,679.04 and 68,161.20 is: 94,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,476.01 : 149,679.04 = 68,161.20 : x
  2. Step 2: Convert to fraction form
    108,476.01/149,679.04 = 68,161.20/x
  3. Step 3: Cross multiply
    108,476.01x = 149,679.04 × 68,161.20
  4. Step 4: Simplify right side
    108,476.01x = 10,202,302,377.35
  5. Step 5: Solve for x
    x = 10,202,302,377.35/108,476.01
  6. Step 6: Final answer
    x = 94,051.23

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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.