Home / 107,835.75-148,811.34-58,777.79

Finding the Fourth Proportional to 107,835.75, 148,811.34 and 58,777.79

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Solution

The fourth proportional to 107,835.75, 148,811.34 and 58,777.79 is: 81,112.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835.75 : 148,811.34 = 58,777.79 : x
  2. Step 2: Convert to fraction form
    107,835.75/148,811.34 = 58,777.79/x
  3. Step 3: Cross multiply
    107,835.75x = 148,811.34 × 58,777.79
  4. Step 4: Simplify right side
    107,835.75x = 8,746,800,672.56
  5. Step 5: Solve for x
    x = 8,746,800,672.56/107,835.75
  6. Step 6: Final answer
    x = 81,112.26

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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.