Home / 72,981.36-109,471.32-23,733.36

Finding the Fourth Proportional to 72,981.36, 109,471.32 and 23,733.36

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Solution

The fourth proportional to 72,981.36, 109,471.32 and 23,733.36 is: 35,599.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,981.36 : 109,471.32 = 23,733.36 : x
  2. Step 2: Convert to fraction form
    72,981.36/109,471.32 = 23,733.36/x
  3. Step 3: Cross multiply
    72,981.36x = 109,471.32 × 23,733.36
  4. Step 4: Simplify right side
    72,981.36x = 2,598,122,247.24
  5. Step 5: Solve for x
    x = 2,598,122,247.24/72,981.36
  6. Step 6: Final answer
    x = 35,599.81

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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.