Home / 53,531.14-80,290.50-14,091.33

Finding the Fourth Proportional to 53,531.14, 80,290.50 and 14,091.33

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Solution

The fourth proportional to 53,531.14, 80,290.50 and 14,091.33 is: 21,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.14 : 80,290.50 = 14,091.33 : x
  2. Step 2: Convert to fraction form
    53,531.14/80,290.50 = 14,091.33/x
  3. Step 3: Cross multiply
    53,531.14x = 80,290.50 × 14,091.33
  4. Step 4: Simplify right side
    53,531.14x = 1,131,399,966.59
  5. Step 5: Solve for x
    x = 1,131,399,966.59/53,531.14
  6. Step 6: Final answer
    x = 21,135.36

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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.