Home / 79,485.36-109,614.62-52,213.31

Finding the Fourth Proportional to 79,485.36, 109,614.62 and 52,213.31

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Solution

The fourth proportional to 79,485.36, 109,614.62 and 52,213.31 is: 72,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485.36 : 109,614.62 = 52,213.31 : x
  2. Step 2: Convert to fraction form
    79,485.36/109,614.62 = 52,213.31/x
  3. Step 3: Cross multiply
    79,485.36x = 109,614.62 × 52,213.31
  4. Step 4: Simplify right side
    79,485.36x = 5,723,341,325.45
  5. Step 5: Solve for x
    x = 5,723,341,325.45/79,485.36
  6. Step 6: Final answer
    x = 72,004.97

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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.