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Finding the Fourth Proportional to 79,811.34, 110,140.44 and 44,002.68

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Solution

The fourth proportional to 79,811.34, 110,140.44 and 44,002.68 is: 60,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,811.34 : 110,140.44 = 44,002.68 : x
  2. Step 2: Convert to fraction form
    79,811.34/110,140.44 = 44,002.68/x
  3. Step 3: Cross multiply
    79,811.34x = 110,140.44 × 44,002.68
  4. Step 4: Simplify right side
    79,811.34x = 4,846,474,536.38
  5. Step 5: Solve for x
    x = 4,846,474,536.38/79,811.34
  6. Step 6: Final answer
    x = 60,724.13

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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.