Home / 79,738.97-119,682.26-40,323.76

Finding the Fourth Proportional to 79,738.97, 119,682.26 and 40,323.76

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Solution

The fourth proportional to 79,738.97, 119,682.26 and 40,323.76 is: 60,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738.97 : 119,682.26 = 40,323.76 : x
  2. Step 2: Convert to fraction form
    79,738.97/119,682.26 = 40,323.76/x
  3. Step 3: Cross multiply
    79,738.97x = 119,682.26 × 40,323.76
  4. Step 4: Simplify right side
    79,738.97x = 4,826,038,378.89
  5. Step 5: Solve for x
    x = 4,826,038,378.89/79,738.97
  6. Step 6: Final answer
    x = 60,522.96

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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.