Home / 75,384-104,032.80-41,849.28

Finding the Fourth Proportional to 75,384, 104,032.80 and 41,849.28

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Solution

The fourth proportional to 75,384, 104,032.80 and 41,849.28 is: 57,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384 : 104,032.80 = 41,849.28 : x
  2. Step 2: Convert to fraction form
    75,384/104,032.80 = 41,849.28/x
  3. Step 3: Cross multiply
    75,384x = 104,032.80 × 41,849.28
  4. Step 4: Simplify right side
    75,384x = 4,353,697,776.38
  5. Step 5: Solve for x
    x = 4,353,697,776.38/75,384
  6. Step 6: Final answer
    x = 57,753.61

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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.