Home / 53,531.12-80,296.75-16,091.20

Finding the Fourth Proportional to 53,531.12, 80,296.75 and 16,091.20

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Solution

The fourth proportional to 53,531.12, 80,296.75 and 16,091.20 is: 24,136.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,531.12 : 80,296.75 = 16,091.20 : x
  2. Step 2: Convert to fraction form
    53,531.12/80,296.75 = 16,091.20/x
  3. Step 3: Cross multiply
    53,531.12x = 80,296.75 × 16,091.20
  4. Step 4: Simplify right side
    53,531.12x = 1,292,070,822.63
  5. Step 5: Solve for x
    x = 1,292,070,822.63/53,531.12
  6. Step 6: Final answer
    x = 24,136.82

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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.