Home / 50,612.88-75,321.60-48,930.96

Finding the Fourth Proportional to 50,612.88, 75,321.60 and 48,930.96

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Solution

The fourth proportional to 50,612.88, 75,321.60 and 48,930.96 is: 72,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,612.88 : 75,321.60 = 48,930.96 : x
  2. Step 2: Convert to fraction form
    50,612.88/75,321.60 = 48,930.96/x
  3. Step 3: Cross multiply
    50,612.88x = 75,321.60 × 48,930.96
  4. Step 4: Simplify right side
    50,612.88x = 3,685,558,196.74
  5. Step 5: Solve for x
    x = 3,685,558,196.74/50,612.88
  6. Step 6: Final answer
    x = 72,818.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.