Home / 68,730.81-94,846.97-40,048.70

Finding the Fourth Proportional to 68,730.81, 94,846.97 and 40,048.70

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Solution

The fourth proportional to 68,730.81, 94,846.97 and 40,048.70 is: 55,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730.81 : 94,846.97 = 40,048.70 : x
  2. Step 2: Convert to fraction form
    68,730.81/94,846.97 = 40,048.70/x
  3. Step 3: Cross multiply
    68,730.81x = 94,846.97 × 40,048.70
  4. Step 4: Simplify right side
    68,730.81x = 3,798,497,172.96
  5. Step 5: Solve for x
    x = 3,798,497,172.96/68,730.81
  6. Step 6: Final answer
    x = 55,266.29

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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.