Home / 74,831.73-103,269.99-40,842.42

Finding the Fourth Proportional to 74,831.73, 103,269.99 and 40,842.42

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Solution

The fourth proportional to 74,831.73, 103,269.99 and 40,842.42 is: 56,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.73 : 103,269.99 = 40,842.42 : x
  2. Step 2: Convert to fraction form
    74,831.73/103,269.99 = 40,842.42/x
  3. Step 3: Cross multiply
    74,831.73x = 103,269.99 × 40,842.42
  4. Step 4: Simplify right side
    74,831.73x = 4,217,796,304.98
  5. Step 5: Solve for x
    x = 4,217,796,304.98/74,831.73
  6. Step 6: Final answer
    x = 56,363.74

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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.