Home / 75,717.50-104,490.85-41,727.20

Finding the Fourth Proportional to 75,717.50, 104,490.85 and 41,727.20

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Solution

The fourth proportional to 75,717.50, 104,490.85 and 41,727.20 is: 57,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,717.50 : 104,490.85 = 41,727.20 : x
  2. Step 2: Convert to fraction form
    75,717.50/104,490.85 = 41,727.20/x
  3. Step 3: Cross multiply
    75,717.50x = 104,490.85 × 41,727.20
  4. Step 4: Simplify right side
    75,717.50x = 4,360,110,596.12
  5. Step 5: Solve for x
    x = 4,360,110,596.12/75,717.50
  6. Step 6: Final answer
    x = 57,583.92

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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.