Home / 82,787.61-114,243.72-46,975.48

Finding the Fourth Proportional to 82,787.61, 114,243.72 and 46,975.48

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Solution

The fourth proportional to 82,787.61, 114,243.72 and 46,975.48 is: 64,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,787.61 : 114,243.72 = 46,975.48 : x
  2. Step 2: Convert to fraction form
    82,787.61/114,243.72 = 46,975.48/x
  3. Step 3: Cross multiply
    82,787.61x = 114,243.72 × 46,975.48
  4. Step 4: Simplify right side
    82,787.61x = 5,366,653,583.99
  5. Step 5: Solve for x
    x = 5,366,653,583.99/82,787.61
  6. Step 6: Final answer
    x = 64,824.36

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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.