Home / 75,624.20-112,660.24-72,212.48

Finding the Fourth Proportional to 75,624.20, 112,660.24 and 72,212.48

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Solution

The fourth proportional to 75,624.20, 112,660.24 and 72,212.48 is: 107,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,624.20 : 112,660.24 = 72,212.48 : x
  2. Step 2: Convert to fraction form
    75,624.20/112,660.24 = 72,212.48/x
  3. Step 3: Cross multiply
    75,624.20x = 112,660.24 × 72,212.48
  4. Step 4: Simplify right side
    75,624.20x = 8,135,475,327.80
  5. Step 5: Solve for x
    x = 8,135,475,327.80/75,624.20
  6. Step 6: Final answer
    x = 107,577.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.