Home / 64,787.37-96,961.59-39,843.24

Finding the Fourth Proportional to 64,787.37, 96,961.59 and 39,843.24

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Solution

The fourth proportional to 64,787.37, 96,961.59 and 39,843.24 is: 59,629.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,787.37 : 96,961.59 = 39,843.24 : x
  2. Step 2: Convert to fraction form
    64,787.37/96,961.59 = 39,843.24/x
  3. Step 3: Cross multiply
    64,787.37x = 96,961.59 × 39,843.24
  4. Step 4: Simplify right side
    64,787.37x = 3,863,263,901.15
  5. Step 5: Solve for x
    x = 3,863,263,901.15/64,787.37
  6. Step 6: Final answer
    x = 59,629.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.