Home / 107,408.54-161,158.38-57,475.69

Finding the Fourth Proportional to 107,408.54, 161,158.38 and 57,475.69

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Solution

The fourth proportional to 107,408.54, 161,158.38 and 57,475.69 is: 86,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,408.54 : 161,158.38 = 57,475.69 : x
  2. Step 2: Convert to fraction form
    107,408.54/161,158.38 = 57,475.69/x
  3. Step 3: Cross multiply
    107,408.54x = 161,158.38 × 57,475.69
  4. Step 4: Simplify right side
    107,408.54x = 9,262,688,471.35
  5. Step 5: Solve for x
    x = 9,262,688,471.35/107,408.54
  6. Step 6: Final answer
    x = 86,237.91

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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.