Home / 65,983.60-98,944.62-19,227.16

Finding the Fourth Proportional to 65,983.60, 98,944.62 and 19,227.16

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Solution

The fourth proportional to 65,983.60, 98,944.62 and 19,227.16 is: 28,831.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.60 : 98,944.62 = 19,227.16 : x
  2. Step 2: Convert to fraction form
    65,983.60/98,944.62 = 19,227.16/x
  3. Step 3: Cross multiply
    65,983.60x = 98,944.62 × 19,227.16
  4. Step 4: Simplify right side
    65,983.60x = 1,902,424,039.88
  5. Step 5: Solve for x
    x = 1,902,424,039.88/65,983.60
  6. Step 6: Final answer
    x = 28,831.77

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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.