Home / 60,831.41-91,230.71-21,366.99

Finding the Fourth Proportional to 60,831.41, 91,230.71 and 21,366.99

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Solution

The fourth proportional to 60,831.41, 91,230.71 and 21,366.99 is: 32,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.41 : 91,230.71 = 21,366.99 : x
  2. Step 2: Convert to fraction form
    60,831.41/91,230.71 = 21,366.99/x
  3. Step 3: Cross multiply
    60,831.41x = 91,230.71 × 21,366.99
  4. Step 4: Simplify right side
    60,831.41x = 1,949,325,561.43
  5. Step 5: Solve for x
    x = 1,949,325,561.43/60,831.41
  6. Step 6: Final answer
    x = 32,044.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.