Home / 71,775.02-107,669.70-27,439.08

Finding the Fourth Proportional to 71,775.02, 107,669.70 and 27,439.08

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Solution

The fourth proportional to 71,775.02, 107,669.70 and 27,439.08 is: 41,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,775.02 : 107,669.70 = 27,439.08 : x
  2. Step 2: Convert to fraction form
    71,775.02/107,669.70 = 27,439.08/x
  3. Step 3: Cross multiply
    71,775.02x = 107,669.70 × 27,439.08
  4. Step 4: Simplify right side
    71,775.02x = 2,954,357,511.88
  5. Step 5: Solve for x
    x = 2,954,357,511.88/71,775.02
  6. Step 6: Final answer
    x = 41,161.36

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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.