Home / 89,831.44-123,989.04-54,014.52

Finding the Fourth Proportional to 89,831.44, 123,989.04 and 54,014.52

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Solution

The fourth proportional to 89,831.44, 123,989.04 and 54,014.52 is: 74,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831.44 : 123,989.04 = 54,014.52 : x
  2. Step 2: Convert to fraction form
    89,831.44/123,989.04 = 54,014.52/x
  3. Step 3: Cross multiply
    89,831.44x = 123,989.04 × 54,014.52
  4. Step 4: Simplify right side
    89,831.44x = 6,697,208,480.86
  5. Step 5: Solve for x
    x = 6,697,208,480.86/89,831.44
  6. Step 6: Final answer
    x = 74,553.06

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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.