Home / 81,936.54-113,083.21-46,133.53

Finding the Fourth Proportional to 81,936.54, 113,083.21 and 46,133.53

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Solution

The fourth proportional to 81,936.54, 113,083.21 and 46,133.53 is: 63,670.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,936.54 : 113,083.21 = 46,133.53 : x
  2. Step 2: Convert to fraction form
    81,936.54/113,083.21 = 46,133.53/x
  3. Step 3: Cross multiply
    81,936.54x = 113,083.21 × 46,133.53
  4. Step 4: Simplify right side
    81,936.54x = 5,216,927,661.03
  5. Step 5: Solve for x
    x = 5,216,927,661.03/81,936.54
  6. Step 6: Final answer
    x = 63,670.34

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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.