Home / 76,160.15-105,067.91-45,928.67

Finding the Fourth Proportional to 76,160.15, 105,067.91 and 45,928.67

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Solution

The fourth proportional to 76,160.15, 105,067.91 and 45,928.67 is: 63,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.15 : 105,067.91 = 45,928.67 : x
  2. Step 2: Convert to fraction form
    76,160.15/105,067.91 = 45,928.67/x
  3. Step 3: Cross multiply
    76,160.15x = 105,067.91 × 45,928.67
  4. Step 4: Simplify right side
    76,160.15x = 4,825,629,152.46
  5. Step 5: Solve for x
    x = 4,825,629,152.46/76,160.15
  6. Step 6: Final answer
    x = 63,361.61

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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.