Home / 106,218.54-146,580.03-58,470.66

Finding the Fourth Proportional to 106,218.54, 146,580.03 and 58,470.66

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Solution

The fourth proportional to 106,218.54, 146,580.03 and 58,470.66 is: 80,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.54 : 146,580.03 = 58,470.66 : x
  2. Step 2: Convert to fraction form
    106,218.54/146,580.03 = 58,470.66/x
  3. Step 3: Cross multiply
    106,218.54x = 146,580.03 × 58,470.66
  4. Step 4: Simplify right side
    106,218.54x = 8,570,631,096.92
  5. Step 5: Solve for x
    x = 8,570,631,096.92/106,218.54
  6. Step 6: Final answer
    x = 80,688.65

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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.