Home / 96,481.09-133,144.31-56,222.47

Finding the Fourth Proportional to 96,481.09, 133,144.31 and 56,222.47

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Solution

The fourth proportional to 96,481.09, 133,144.31 and 56,222.47 is: 77,587.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,481.09 : 133,144.31 = 56,222.47 : x
  2. Step 2: Convert to fraction form
    96,481.09/133,144.31 = 56,222.47/x
  3. Step 3: Cross multiply
    96,481.09x = 133,144.31 × 56,222.47
  4. Step 4: Simplify right side
    96,481.09x = 7,485,701,974.65
  5. Step 5: Solve for x
    x = 7,485,701,974.65/96,481.09
  6. Step 6: Final answer
    x = 77,587.25

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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.