Home / 96,990.21-133,845.06-54,548.73

Finding the Fourth Proportional to 96,990.21, 133,845.06 and 54,548.73

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Solution

The fourth proportional to 96,990.21, 133,845.06 and 54,548.73 is: 75,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,990.21 : 133,845.06 = 54,548.73 : x
  2. Step 2: Convert to fraction form
    96,990.21/133,845.06 = 54,548.73/x
  3. Step 3: Cross multiply
    96,990.21x = 133,845.06 × 54,548.73
  4. Step 4: Simplify right side
    96,990.21x = 7,301,078,039.77
  5. Step 5: Solve for x
    x = 7,301,078,039.77/96,990.21
  6. Step 6: Final answer
    x = 75,276.44

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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.