Home / 53,699.42-80,518.26-22,131.28

Finding the Fourth Proportional to 53,699.42, 80,518.26 and 22,131.28

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Solution

The fourth proportional to 53,699.42, 80,518.26 and 22,131.28 is: 33,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,699.42 : 80,518.26 = 22,131.28 : x
  2. Step 2: Convert to fraction form
    53,699.42/80,518.26 = 22,131.28/x
  3. Step 3: Cross multiply
    53,699.42x = 80,518.26 × 22,131.28
  4. Step 4: Simplify right side
    53,699.42x = 1,781,972,157.17
  5. Step 5: Solve for x
    x = 1,781,972,157.17/53,699.42
  6. Step 6: Final answer
    x = 33,184.20

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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.