Home / 71,069.50-98,075.26-39,238.63

Finding the Fourth Proportional to 71,069.50, 98,075.26 and 39,238.63

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Solution

The fourth proportional to 71,069.50, 98,075.26 and 39,238.63 is: 54,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.50 : 98,075.26 = 39,238.63 : x
  2. Step 2: Convert to fraction form
    71,069.50/98,075.26 = 39,238.63/x
  3. Step 3: Cross multiply
    71,069.50x = 98,075.26 × 39,238.63
  4. Step 4: Simplify right side
    71,069.50x = 3,848,338,422.44
  5. Step 5: Solve for x
    x = 3,848,338,422.44/71,069.50
  6. Step 6: Final answer
    x = 54,148.94

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1.5x scale

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.