Home / 107,756.73-148,585.39-73,770.75

Finding the Fourth Proportional to 107,756.73, 148,585.39 and 73,770.75

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Solution

The fourth proportional to 107,756.73, 148,585.39 and 73,770.75 is: 101,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,756.73 : 148,585.39 = 73,770.75 : x
  2. Step 2: Convert to fraction form
    107,756.73/148,585.39 = 73,770.75/x
  3. Step 3: Cross multiply
    107,756.73x = 148,585.39 × 73,770.75
  4. Step 4: Simplify right side
    107,756.73x = 10,961,255,474.92
  5. Step 5: Solve for x
    x = 10,961,255,474.92/107,756.73
  6. Step 6: Final answer
    x = 101,722.24

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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.