Home / 96,805.20-133,586.72-53,787.72

Finding the Fourth Proportional to 96,805.20, 133,586.72 and 53,787.72

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Solution

The fourth proportional to 96,805.20, 133,586.72 and 53,787.72 is: 74,224.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,805.20 : 133,586.72 = 53,787.72 : x
  2. Step 2: Convert to fraction form
    96,805.20/133,586.72 = 53,787.72/x
  3. Step 3: Cross multiply
    96,805.20x = 133,586.72 × 53,787.72
  4. Step 4: Simplify right side
    96,805.20x = 7,185,325,091.08
  5. Step 5: Solve for x
    x = 7,185,325,091.08/96,805.20
  6. Step 6: Final answer
    x = 74,224.58

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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.