Home / 48,639.35-67,112.09-29,529.18

Finding the Fourth Proportional to 48,639.35, 67,112.09 and 29,529.18

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Solution

The fourth proportional to 48,639.35, 67,112.09 and 29,529.18 is: 40,744.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.35 : 67,112.09 = 29,529.18 : x
  2. Step 2: Convert to fraction form
    48,639.35/67,112.09 = 29,529.18/x
  3. Step 3: Cross multiply
    48,639.35x = 67,112.09 × 29,529.18
  4. Step 4: Simplify right side
    48,639.35x = 1,981,764,985.79
  5. Step 5: Solve for x
    x = 1,981,764,985.79/48,639.35
  6. Step 6: Final answer
    x = 40,744.07

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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.