Home / 49,816.74-68,741.52-29,670.78

Finding the Fourth Proportional to 49,816.74, 68,741.52 and 29,670.78

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Solution

The fourth proportional to 49,816.74, 68,741.52 and 29,670.78 is: 40,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816.74 : 68,741.52 = 29,670.78 : x
  2. Step 2: Convert to fraction form
    49,816.74/68,741.52 = 29,670.78/x
  3. Step 3: Cross multiply
    49,816.74x = 68,741.52 × 29,670.78
  4. Step 4: Simplify right side
    49,816.74x = 2,039,614,516.79
  5. Step 5: Solve for x
    x = 2,039,614,516.79/49,816.74
  6. Step 6: Final answer
    x = 40,942.35

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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.