Home / 82,378.59-113,687.36-46,571.94

Finding the Fourth Proportional to 82,378.59, 113,687.36 and 46,571.94

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Solution

The fourth proportional to 82,378.59, 113,687.36 and 46,571.94 is: 64,272.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,378.59 : 113,687.36 = 46,571.94 : x
  2. Step 2: Convert to fraction form
    82,378.59/113,687.36 = 46,571.94/x
  3. Step 3: Cross multiply
    82,378.59x = 113,687.36 × 46,571.94
  4. Step 4: Simplify right side
    82,378.59x = 5,294,640,908.68
  5. Step 5: Solve for x
    x = 5,294,640,908.68/82,378.59
  6. Step 6: Final answer
    x = 64,272.05

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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.