Home / 79,526.72-109,739.36-43,716.16

Finding the Fourth Proportional to 79,526.72, 109,739.36 and 43,716.16

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Solution

The fourth proportional to 79,526.72, 109,739.36 and 43,716.16 is: 60,324.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.72 : 109,739.36 = 43,716.16 : x
  2. Step 2: Convert to fraction form
    79,526.72/109,739.36 = 43,716.16/x
  3. Step 3: Cross multiply
    79,526.72x = 109,739.36 × 43,716.16
  4. Step 4: Simplify right side
    79,526.72x = 4,797,383,420.06
  5. Step 5: Solve for x
    x = 4,797,383,420.06/79,526.72
  6. Step 6: Final answer
    x = 60,324.17

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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.