Home / 107,371.49-161,102.73-57,438.50

Finding the Fourth Proportional to 107,371.49, 161,102.73 and 57,438.50

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Solution

The fourth proportional to 107,371.49, 161,102.73 and 57,438.50 is: 86,182.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,371.49 : 161,102.73 = 57,438.50 : x
  2. Step 2: Convert to fraction form
    107,371.49/161,102.73 = 57,438.50/x
  3. Step 3: Cross multiply
    107,371.49x = 161,102.73 × 57,438.50
  4. Step 4: Simplify right side
    107,371.49x = 9,253,499,157.11
  5. Step 5: Solve for x
    x = 9,253,499,157.11/107,371.49
  6. Step 6: Final answer
    x = 86,182.09

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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.