Home / 79,193.14-109,288.30-45,200.96

Finding the Fourth Proportional to 79,193.14, 109,288.30 and 45,200.96

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Solution

The fourth proportional to 79,193.14, 109,288.30 and 45,200.96 is: 62,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.14 : 109,288.30 = 45,200.96 : x
  2. Step 2: Convert to fraction form
    79,193.14/109,288.30 = 45,200.96/x
  3. Step 3: Cross multiply
    79,193.14x = 109,288.30 × 45,200.96
  4. Step 4: Simplify right side
    79,193.14x = 4,939,936,076.77
  5. Step 5: Solve for x
    x = 4,939,936,076.77/79,193.14
  6. Step 6: Final answer
    x = 62,378.33

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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.