Home / 43,075.04-64,613.76-11,910.29

Finding the Fourth Proportional to 43,075.04, 64,613.76 and 11,910.29

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Solution

The fourth proportional to 43,075.04, 64,613.76 and 11,910.29 is: 17,865.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.04 : 64,613.76 = 11,910.29 : x
  2. Step 2: Convert to fraction form
    43,075.04/64,613.76 = 11,910.29/x
  3. Step 3: Cross multiply
    43,075.04x = 64,613.76 × 11,910.29
  4. Step 4: Simplify right side
    43,075.04x = 769,568,296.52
  5. Step 5: Solve for x
    x = 769,568,296.52/43,075.04
  6. Step 6: Final answer
    x = 17,865.76

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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.