Home / 104,831.28-144,662.22-57,084.48

Finding the Fourth Proportional to 104,831.28, 144,662.22 and 57,084.48

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Solution

The fourth proportional to 104,831.28, 144,662.22 and 57,084.48 is: 78,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,831.28 : 144,662.22 = 57,084.48 : x
  2. Step 2: Convert to fraction form
    104,831.28/144,662.22 = 57,084.48/x
  3. Step 3: Cross multiply
    104,831.28x = 144,662.22 × 57,084.48
  4. Step 4: Simplify right side
    104,831.28x = 8,257,967,604.35
  5. Step 5: Solve for x
    x = 8,257,967,604.35/104,831.28
  6. Step 6: Final answer
    x = 78,773.89

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1.5x scale

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.