Home / 77,794.20-116,777.70-48,245.40

Finding the Fourth Proportional to 77,794.20, 116,777.70 and 48,245.40

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Solution

The fourth proportional to 77,794.20, 116,777.70 and 48,245.40 is: 72,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.20 : 116,777.70 = 48,245.40 : x
  2. Step 2: Convert to fraction form
    77,794.20/116,777.70 = 48,245.40/x
  3. Step 3: Cross multiply
    77,794.20x = 116,777.70 × 48,245.40
  4. Step 4: Simplify right side
    77,794.20x = 5,633,986,847.58
  5. Step 5: Solve for x
    x = 5,633,986,847.58/77,794.20
  6. Step 6: Final answer
    x = 72,421.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.