Home / 104,072.76-143,682.29-68,325.44

Finding the Fourth Proportional to 104,072.76, 143,682.29 and 68,325.44

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Solution

The fourth proportional to 104,072.76, 143,682.29 and 68,325.44 is: 94,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,072.76 : 143,682.29 = 68,325.44 : x
  2. Step 2: Convert to fraction form
    104,072.76/143,682.29 = 68,325.44/x
  3. Step 3: Cross multiply
    104,072.76x = 143,682.29 × 68,325.44
  4. Step 4: Simplify right side
    104,072.76x = 9,817,154,880.64
  5. Step 5: Solve for x
    x = 9,817,154,880.64/104,072.76
  6. Step 6: Final answer
    x = 94,329.73

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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.