Home / 79,861.19-119,756.70-29,906.25

Finding the Fourth Proportional to 79,861.19, 119,756.70 and 29,906.25

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Solution

The fourth proportional to 79,861.19, 119,756.70 and 29,906.25 is: 44,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,861.19 : 119,756.70 = 29,906.25 : x
  2. Step 2: Convert to fraction form
    79,861.19/119,756.70 = 29,906.25/x
  3. Step 3: Cross multiply
    79,861.19x = 119,756.70 × 29,906.25
  4. Step 4: Simplify right side
    79,861.19x = 3,581,473,435.22
  5. Step 5: Solve for x
    x = 3,581,473,435.22/79,861.19
  6. Step 6: Final answer
    x = 44,846.23

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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.