Home / 82,936.76-124,392.88-40,805.54

Finding the Fourth Proportional to 82,936.76, 124,392.88 and 40,805.54

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Solution

The fourth proportional to 82,936.76, 124,392.88 and 40,805.54 is: 61,202.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,936.76 : 124,392.88 = 40,805.54 : x
  2. Step 2: Convert to fraction form
    82,936.76/124,392.88 = 40,805.54/x
  3. Step 3: Cross multiply
    82,936.76x = 124,392.88 × 40,805.54
  4. Step 4: Simplify right side
    82,936.76x = 5,075,918,640.56
  5. Step 5: Solve for x
    x = 5,075,918,640.56/82,936.76
  6. Step 6: Final answer
    x = 61,202.28

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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.