Home / 68,068.11-102,165.36-34,811.94

Finding the Fourth Proportional to 68,068.11, 102,165.36 and 34,811.94

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Solution

The fourth proportional to 68,068.11, 102,165.36 and 34,811.94 is: 52,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,068.11 : 102,165.36 = 34,811.94 : x
  2. Step 2: Convert to fraction form
    68,068.11/102,165.36 = 34,811.94/x
  3. Step 3: Cross multiply
    68,068.11x = 102,165.36 × 34,811.94
  4. Step 4: Simplify right side
    68,068.11x = 3,556,574,382.40
  5. Step 5: Solve for x
    x = 3,556,574,382.40/68,068.11
  6. Step 6: Final answer
    x = 52,250.23

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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.