Home / 29,101.79-43,629.12-9,100.99

Finding the Fourth Proportional to 29,101.79, 43,629.12 and 9,100.99

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Solution

The fourth proportional to 29,101.79, 43,629.12 and 9,100.99 is: 13,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,101.79 : 43,629.12 = 9,100.99 : x
  2. Step 2: Convert to fraction form
    29,101.79/43,629.12 = 9,100.99/x
  3. Step 3: Cross multiply
    29,101.79x = 43,629.12 × 9,100.99
  4. Step 4: Simplify right side
    29,101.79x = 397,068,184.83
  5. Step 5: Solve for x
    x = 397,068,184.83/29,101.79
  6. Step 6: Final answer
    x = 13,644.12

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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.