Home / 40,743.03-61,114.59-11,161.12

Finding the Fourth Proportional to 40,743.03, 61,114.59 and 11,161.12

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Solution

The fourth proportional to 40,743.03, 61,114.59 and 11,161.12 is: 16,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.03 : 61,114.59 = 11,161.12 : x
  2. Step 2: Convert to fraction form
    40,743.03/61,114.59 = 11,161.12/x
  3. Step 3: Cross multiply
    40,743.03x = 61,114.59 × 11,161.12
  4. Step 4: Simplify right side
    40,743.03x = 682,107,272.74
  5. Step 5: Solve for x
    x = 682,107,272.74/40,743.03
  6. Step 6: Final answer
    x = 16,741.69

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1.5x scale

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.