Home / 49,814.08-68,744.74-30,706.48

Finding the Fourth Proportional to 49,814.08, 68,744.74 and 30,706.48

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Solution

The fourth proportional to 49,814.08, 68,744.74 and 30,706.48 is: 42,375.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,814.08 : 68,744.74 = 30,706.48 : x
  2. Step 2: Convert to fraction form
    49,814.08/68,744.74 = 30,706.48/x
  3. Step 3: Cross multiply
    49,814.08x = 68,744.74 × 30,706.48
  4. Step 4: Simplify right side
    49,814.08x = 2,110,908,983.92
  5. Step 5: Solve for x
    x = 2,110,908,983.92/49,814.08
  6. Step 6: Final answer
    x = 42,375.75

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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.