Home / 79,936.20-110,312.15-43,637.67

Finding the Fourth Proportional to 79,936.20, 110,312.15 and 43,637.67

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Solution

The fourth proportional to 79,936.20, 110,312.15 and 43,637.67 is: 60,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,936.20 : 110,312.15 = 43,637.67 : x
  2. Step 2: Convert to fraction form
    79,936.20/110,312.15 = 43,637.67/x
  3. Step 3: Cross multiply
    79,936.20x = 110,312.15 × 43,637.67
  4. Step 4: Simplify right side
    79,936.20x = 4,813,765,198.69
  5. Step 5: Solve for x
    x = 4,813,765,198.69/79,936.20
  6. Step 6: Final answer
    x = 60,220.09

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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.