Home / 71,069.09-98,075.39-39,237.98

Finding the Fourth Proportional to 71,069.09, 98,075.39 and 39,237.98

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Solution

The fourth proportional to 71,069.09, 98,075.39 and 39,237.98 is: 54,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.09 : 98,075.39 = 39,237.98 : x
  2. Step 2: Convert to fraction form
    71,069.09/98,075.39 = 39,237.98/x
  3. Step 3: Cross multiply
    71,069.09x = 98,075.39 × 39,237.98
  4. Step 4: Simplify right side
    71,069.09x = 3,848,279,504.75
  5. Step 5: Solve for x
    x = 3,848,279,504.75/71,069.09
  6. Step 6: Final answer
    x = 54,148.43

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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.