Home / 107,572.05-161,178.66-75,930.41

Finding the Fourth Proportional to 107,572.05, 161,178.66 and 75,930.41

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Solution

The fourth proportional to 107,572.05, 161,178.66 and 75,930.41 is: 113,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.05 : 161,178.66 = 75,930.41 : x
  2. Step 2: Convert to fraction form
    107,572.05/161,178.66 = 75,930.41/x
  3. Step 3: Cross multiply
    107,572.05x = 161,178.66 × 75,930.41
  4. Step 4: Simplify right side
    107,572.05x = 12,238,362,140.00
  5. Step 5: Solve for x
    x = 12,238,362,140.00/107,572.05
  6. Step 6: Final answer
    x = 113,768.98

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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.