Home / 53,997.45-80,985.78-14,544.65

Finding the Fourth Proportional to 53,997.45, 80,985.78 and 14,544.65

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Solution

The fourth proportional to 53,997.45, 80,985.78 and 14,544.65 is: 21,814.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,997.45 : 80,985.78 = 14,544.65 : x
  2. Step 2: Convert to fraction form
    53,997.45/80,985.78 = 14,544.65/x
  3. Step 3: Cross multiply
    53,997.45x = 80,985.78 × 14,544.65
  4. Step 4: Simplify right side
    53,997.45x = 1,177,909,420.15
  5. Step 5: Solve for x
    x = 1,177,909,420.15/53,997.45
  6. Step 6: Final answer
    x = 21,814.17

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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.