Home / 74,571.48-102,928.86-43,971.30

Finding the Fourth Proportional to 74,571.48, 102,928.86 and 43,971.30

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Solution

The fourth proportional to 74,571.48, 102,928.86 and 43,971.30 is: 60,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.48 : 102,928.86 = 43,971.30 : x
  2. Step 2: Convert to fraction form
    74,571.48/102,928.86 = 43,971.30/x
  3. Step 3: Cross multiply
    74,571.48x = 102,928.86 × 43,971.30
  4. Step 4: Simplify right side
    74,571.48x = 4,525,915,781.72
  5. Step 5: Solve for x
    x = 4,525,915,781.72/74,571.48
  6. Step 6: Final answer
    x = 60,692.32

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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.