Home / 69,936.84-96,511.68-38,105.64

Finding the Fourth Proportional to 69,936.84, 96,511.68 and 38,105.64

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Solution

The fourth proportional to 69,936.84, 96,511.68 and 38,105.64 is: 52,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.84 : 96,511.68 = 38,105.64 : x
  2. Step 2: Convert to fraction form
    69,936.84/96,511.68 = 38,105.64/x
  3. Step 3: Cross multiply
    69,936.84x = 96,511.68 × 38,105.64
  4. Step 4: Simplify right side
    69,936.84x = 3,677,639,333.88
  5. Step 5: Solve for x
    x = 3,677,639,333.88/69,936.84
  6. Step 6: Final answer
    x = 52,585.15

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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.