Home / 96,583.78-133,285.44-54,142.30

Finding the Fourth Proportional to 96,583.78, 133,285.44 and 54,142.30

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Solution

The fourth proportional to 96,583.78, 133,285.44 and 54,142.30 is: 74,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,583.78 : 133,285.44 = 54,142.30 : x
  2. Step 2: Convert to fraction form
    96,583.78/133,285.44 = 54,142.30/x
  3. Step 3: Cross multiply
    96,583.78x = 133,285.44 × 54,142.30
  4. Step 4: Simplify right side
    96,583.78x = 7,216,380,278.11
  5. Step 5: Solve for x
    x = 7,216,380,278.11/96,583.78
  6. Step 6: Final answer
    x = 74,716.28

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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.