Home / 53,579.82-80,360.49-14,137.26

Finding the Fourth Proportional to 53,579.82, 80,360.49 and 14,137.26

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Solution

The fourth proportional to 53,579.82, 80,360.49 and 14,137.26 is: 21,203.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.82 : 80,360.49 = 14,137.26 : x
  2. Step 2: Convert to fraction form
    53,579.82/80,360.49 = 14,137.26/x
  3. Step 3: Cross multiply
    53,579.82x = 80,360.49 × 14,137.26
  4. Step 4: Simplify right side
    53,579.82x = 1,136,077,140.86
  5. Step 5: Solve for x
    x = 1,136,077,140.86/53,579.82
  6. Step 6: Final answer
    x = 21,203.45

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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.