Home / 79,434.03-109,620.23-43,623.93

Finding the Fourth Proportional to 79,434.03, 109,620.23 and 43,623.93

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Solution

The fourth proportional to 79,434.03, 109,620.23 and 43,623.93 is: 60,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,434.03 : 109,620.23 = 43,623.93 : x
  2. Step 2: Convert to fraction form
    79,434.03/109,620.23 = 43,623.93/x
  3. Step 3: Cross multiply
    79,434.03x = 109,620.23 × 43,623.93
  4. Step 4: Simplify right side
    79,434.03x = 4,782,065,021.98
  5. Step 5: Solve for x
    x = 4,782,065,021.98/79,434.03
  6. Step 6: Final answer
    x = 60,201.72

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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.