Home / 71,256.06-106,844.63-29,165.72

Finding the Fourth Proportional to 71,256.06, 106,844.63 and 29,165.72

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Solution

The fourth proportional to 71,256.06, 106,844.63 and 29,165.72 is: 43,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,256.06 : 106,844.63 = 29,165.72 : x
  2. Step 2: Convert to fraction form
    71,256.06/106,844.63 = 29,165.72/x
  3. Step 3: Cross multiply
    71,256.06x = 106,844.63 × 29,165.72
  4. Step 4: Simplify right side
    71,256.06x = 3,116,199,882.03
  5. Step 5: Solve for x
    x = 3,116,199,882.03/71,256.06
  6. Step 6: Final answer
    x = 43,732.42

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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.