Home / 69,936.90-96,513.39-38,105.70

Finding the Fourth Proportional to 69,936.90, 96,513.39 and 38,105.70

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Solution

The fourth proportional to 69,936.90, 96,513.39 and 38,105.70 is: 52,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,936.90 : 96,513.39 = 38,105.70 : x
  2. Step 2: Convert to fraction form
    69,936.90/96,513.39 = 38,105.70/x
  3. Step 3: Cross multiply
    69,936.90x = 96,513.39 × 38,105.70
  4. Step 4: Simplify right side
    69,936.90x = 3,677,710,285.32
  5. Step 5: Solve for x
    x = 3,677,710,285.32/69,936.90
  6. Step 6: Final answer
    x = 52,586.12

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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.