Home / 96,728.61-133,447.34-55,865.73

Finding the Fourth Proportional to 96,728.61, 133,447.34 and 55,865.73

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Solution

The fourth proportional to 96,728.61, 133,447.34 and 55,865.73 is: 77,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,728.61 : 133,447.34 = 55,865.73 : x
  2. Step 2: Convert to fraction form
    96,728.61/133,447.34 = 55,865.73/x
  3. Step 3: Cross multiply
    96,728.61x = 133,447.34 × 55,865.73
  4. Step 4: Simplify right side
    96,728.61x = 7,455,132,786.33
  5. Step 5: Solve for x
    x = 7,455,132,786.33/96,728.61
  6. Step 6: Final answer
    x = 77,072.68

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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.