Home / 71,063.49-98,074.84-40,850.09

Finding the Fourth Proportional to 71,063.49, 98,074.84 and 40,850.09

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Solution

The fourth proportional to 71,063.49, 98,074.84 and 40,850.09 is: 56,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,063.49 : 98,074.84 = 40,850.09 : x
  2. Step 2: Convert to fraction form
    71,063.49/98,074.84 = 40,850.09/x
  3. Step 3: Cross multiply
    71,063.49x = 98,074.84 × 40,850.09
  4. Step 4: Simplify right side
    71,063.49x = 4,006,366,040.74
  5. Step 5: Solve for x
    x = 4,006,366,040.74/71,063.49
  6. Step 6: Final answer
    x = 56,377.28

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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.