Home / 81,934.54-113,080.45-46,131.53

Finding the Fourth Proportional to 81,934.54, 113,080.45 and 46,131.53

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Solution

The fourth proportional to 81,934.54, 113,080.45 and 46,131.53 is: 63,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.54 : 113,080.45 = 46,131.53 : x
  2. Step 2: Convert to fraction form
    81,934.54/113,080.45 = 46,131.53/x
  3. Step 3: Cross multiply
    81,934.54x = 113,080.45 × 46,131.53
  4. Step 4: Simplify right side
    81,934.54x = 5,216,574,213.43
  5. Step 5: Solve for x
    x = 5,216,574,213.43/81,934.54
  6. Step 6: Final answer
    x = 63,667.58

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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.