Home / 104,022.12-143,484.30-68,214.36

Finding the Fourth Proportional to 104,022.12, 143,484.30 and 68,214.36

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Solution

The fourth proportional to 104,022.12, 143,484.30 and 68,214.36 is: 94,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,022.12 : 143,484.30 = 68,214.36 : x
  2. Step 2: Convert to fraction form
    104,022.12/143,484.30 = 68,214.36/x
  3. Step 3: Cross multiply
    104,022.12x = 143,484.30 × 68,214.36
  4. Step 4: Simplify right side
    104,022.12x = 9,787,689,694.55
  5. Step 5: Solve for x
    x = 9,787,689,694.55/104,022.12
  6. Step 6: Final answer
    x = 94,092.39

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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.