Home / 43,163.11-64,721.04-15,075.82

Finding the Fourth Proportional to 43,163.11, 64,721.04 and 15,075.82

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Solution

The fourth proportional to 43,163.11, 64,721.04 and 15,075.82 is: 22,605.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163.11 : 64,721.04 = 15,075.82 : x
  2. Step 2: Convert to fraction form
    43,163.11/64,721.04 = 15,075.82/x
  3. Step 3: Cross multiply
    43,163.11x = 64,721.04 × 15,075.82
  4. Step 4: Simplify right side
    43,163.11x = 975,722,749.25
  5. Step 5: Solve for x
    x = 975,722,749.25/43,163.11
  6. Step 6: Final answer
    x = 22,605.48

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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.