Home / 75,455.68-104,130.70-41,463.92

Finding the Fourth Proportional to 75,455.68, 104,130.70 and 41,463.92

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Solution

The fourth proportional to 75,455.68, 104,130.70 and 41,463.92 is: 57,221.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.68 : 104,130.70 = 41,463.92 : x
  2. Step 2: Convert to fraction form
    75,455.68/104,130.70 = 41,463.92/x
  3. Step 3: Cross multiply
    75,455.68x = 104,130.70 × 41,463.92
  4. Step 4: Simplify right side
    75,455.68x = 4,317,667,014.34
  5. Step 5: Solve for x
    x = 4,317,667,014.34/75,455.68
  6. Step 6: Final answer
    x = 57,221.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.