Home / 92,564.21-127,738.39-50,122.74

Finding the Fourth Proportional to 92,564.21, 127,738.39 and 50,122.74

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Solution

The fourth proportional to 92,564.21, 127,738.39 and 50,122.74 is: 69,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,564.21 : 127,738.39 = 50,122.74 : x
  2. Step 2: Convert to fraction form
    92,564.21/127,738.39 = 50,122.74/x
  3. Step 3: Cross multiply
    92,564.21x = 127,738.39 × 50,122.74
  4. Step 4: Simplify right side
    92,564.21x = 6,402,597,984.68
  5. Step 5: Solve for x
    x = 6,402,597,984.68/92,564.21
  6. Step 6: Final answer
    x = 69,169.26

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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.