Home / 96,838.38-133,643.78-54,396.94

Finding the Fourth Proportional to 96,838.38, 133,643.78 and 54,396.94

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Solution

The fourth proportional to 96,838.38, 133,643.78 and 54,396.94 is: 75,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,838.38 : 133,643.78 = 54,396.94 : x
  2. Step 2: Convert to fraction form
    96,838.38/133,643.78 = 54,396.94/x
  3. Step 3: Cross multiply
    96,838.38x = 133,643.78 × 54,396.94
  4. Step 4: Simplify right side
    96,838.38x = 7,269,812,682.03
  5. Step 5: Solve for x
    x = 7,269,812,682.03/96,838.38
  6. Step 6: Final answer
    x = 75,071.61

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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.