Home / 53,580.37-80,364.39-14,140.56

Finding the Fourth Proportional to 53,580.37, 80,364.39 and 14,140.56

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Solution

The fourth proportional to 53,580.37, 80,364.39 and 14,140.56 is: 21,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,580.37 : 80,364.39 = 14,140.56 : x
  2. Step 2: Convert to fraction form
    53,580.37/80,364.39 = 14,140.56/x
  3. Step 3: Cross multiply
    53,580.37x = 80,364.39 × 14,140.56
  4. Step 4: Simplify right side
    53,580.37x = 1,136,397,274.95
  5. Step 5: Solve for x
    x = 1,136,397,274.95/53,580.37
  6. Step 6: Final answer
    x = 21,209.21

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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.