Home / 97,076.45-133,943.33-54,619.49

Finding the Fourth Proportional to 97,076.45, 133,943.33 and 54,619.49

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Solution

The fourth proportional to 97,076.45, 133,943.33 and 54,619.49 is: 75,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,076.45 : 133,943.33 = 54,619.49 : x
  2. Step 2: Convert to fraction form
    97,076.45/133,943.33 = 54,619.49/x
  3. Step 3: Cross multiply
    97,076.45x = 133,943.33 × 54,619.49
  4. Step 4: Simplify right side
    97,076.45x = 7,315,915,430.69
  5. Step 5: Solve for x
    x = 7,315,915,430.69/97,076.45
  6. Step 6: Final answer
    x = 75,362.42

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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.