Home / 92,365.05-138,527.70-29,190.03

Finding the Fourth Proportional to 92,365.05, 138,527.70 and 29,190.03

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Solution

The fourth proportional to 92,365.05, 138,527.70 and 29,190.03 is: 43,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,365.05 : 138,527.70 = 29,190.03 : x
  2. Step 2: Convert to fraction form
    92,365.05/138,527.70 = 29,190.03/x
  3. Step 3: Cross multiply
    92,365.05x = 138,527.70 × 29,190.03
  4. Step 4: Simplify right side
    92,365.05x = 4,043,627,718.83
  5. Step 5: Solve for x
    x = 4,043,627,718.83/92,365.05
  6. Step 6: Final answer
    x = 43,778.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.