Home / 79,571.93-109,807.07-43,761.94

Finding the Fourth Proportional to 79,571.93, 109,807.07 and 43,761.94

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Solution

The fourth proportional to 79,571.93, 109,807.07 and 43,761.94 is: 60,390.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571.93 : 109,807.07 = 43,761.94 : x
  2. Step 2: Convert to fraction form
    79,571.93/109,807.07 = 43,761.94/x
  3. Step 3: Cross multiply
    79,571.93x = 109,807.07 × 43,761.94
  4. Step 4: Simplify right side
    79,571.93x = 4,805,369,915.59
  5. Step 5: Solve for x
    x = 4,805,369,915.59/79,571.93
  6. Step 6: Final answer
    x = 60,390.27

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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.