Home / 96,782.94-133,560.36-54,341.64

Finding the Fourth Proportional to 96,782.94, 133,560.36 and 54,341.64

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Solution

The fourth proportional to 96,782.94, 133,560.36 and 54,341.64 is: 74,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,782.94 : 133,560.36 = 54,341.64 : x
  2. Step 2: Convert to fraction form
    96,782.94/133,560.36 = 54,341.64/x
  3. Step 3: Cross multiply
    96,782.94x = 133,560.36 × 54,341.64
  4. Step 4: Simplify right side
    96,782.94x = 7,257,889,001.39
  5. Step 5: Solve for x
    x = 7,257,889,001.39/96,782.94
  6. Step 6: Final answer
    x = 74,991.41

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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.