Home / 79,532.37-109,756.76-43,723.28

Finding the Fourth Proportional to 79,532.37, 109,756.76 and 43,723.28

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Solution

The fourth proportional to 79,532.37, 109,756.76 and 43,723.28 is: 60,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,532.37 : 109,756.76 = 43,723.28 : x
  2. Step 2: Convert to fraction form
    79,532.37/109,756.76 = 43,723.28/x
  3. Step 3: Cross multiply
    79,532.37x = 109,756.76 × 43,723.28
  4. Step 4: Simplify right side
    79,532.37x = 4,798,925,933.07
  5. Step 5: Solve for x
    x = 4,798,925,933.07/79,532.37
  6. Step 6: Final answer
    x = 60,339.28

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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.