Home / 71,069.33-98,075.81-39,238.26

Finding the Fourth Proportional to 71,069.33, 98,075.81 and 39,238.26

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Solution

The fourth proportional to 71,069.33, 98,075.81 and 39,238.26 is: 54,148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.33 : 98,075.81 = 39,238.26 : x
  2. Step 2: Convert to fraction form
    71,069.33/98,075.81 = 39,238.26/x
  3. Step 3: Cross multiply
    71,069.33x = 98,075.81 × 39,238.26
  4. Step 4: Simplify right side
    71,069.33x = 3,848,323,936.30
  5. Step 5: Solve for x
    x = 3,848,323,936.30/71,069.33
  6. Step 6: Final answer
    x = 54,148.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.