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Finding the Fourth Proportional to 79,811.70, 110,140.83 and 44,003.10

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Solution

The fourth proportional to 79,811.70, 110,140.83 and 44,003.10 is: 60,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.70 : 110,140.83 = 44,003.10 : x
  2. Step 2: Convert to fraction form
    79,811.70/110,140.83 = 44,003.10/x
  3. Step 3: Cross multiply
    79,811.70x = 110,140.83 × 44,003.10
  4. Step 4: Simplify right side
    79,811.70x = 4,846,537,956.57
  5. Step 5: Solve for x
    x = 4,846,537,956.57/79,811.70
  6. Step 6: Final answer
    x = 60,724.66

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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.