Home / 69,365.12-103,971.36-27,232.48

Finding the Fourth Proportional to 69,365.12, 103,971.36 and 27,232.48

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Solution

The fourth proportional to 69,365.12, 103,971.36 and 27,232.48 is: 40,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,365.12 : 103,971.36 = 27,232.48 : x
  2. Step 2: Convert to fraction form
    69,365.12/103,971.36 = 27,232.48/x
  3. Step 3: Cross multiply
    69,365.12x = 103,971.36 × 27,232.48
  4. Step 4: Simplify right side
    69,365.12x = 2,831,397,981.77
  5. Step 5: Solve for x
    x = 2,831,397,981.77/69,365.12
  6. Step 6: Final answer
    x = 40,818.76

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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.