Home / 67,075.78-92,560.82-40,204.84

Finding the Fourth Proportional to 67,075.78, 92,560.82 and 40,204.84

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Solution

The fourth proportional to 67,075.78, 92,560.82 and 40,204.84 is: 55,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,075.78 : 92,560.82 = 40,204.84 : x
  2. Step 2: Convert to fraction form
    67,075.78/92,560.82 = 40,204.84/x
  3. Step 3: Cross multiply
    67,075.78x = 92,560.82 × 40,204.84
  4. Step 4: Simplify right side
    67,075.78x = 3,721,392,626.45
  5. Step 5: Solve for x
    x = 3,721,392,626.45/67,075.78
  6. Step 6: Final answer
    x = 55,480.42

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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.