Home / 82,171.64-113,400.27-46,361.51

Finding the Fourth Proportional to 82,171.64, 113,400.27 and 46,361.51

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Solution

The fourth proportional to 82,171.64, 113,400.27 and 46,361.51 is: 63,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,171.64 : 113,400.27 = 46,361.51 : x
  2. Step 2: Convert to fraction form
    82,171.64/113,400.27 = 46,361.51/x
  3. Step 3: Cross multiply
    82,171.64x = 113,400.27 × 46,361.51
  4. Step 4: Simplify right side
    82,171.64x = 5,257,407,751.61
  5. Step 5: Solve for x
    x = 5,257,407,751.61/82,171.64
  6. Step 6: Final answer
    x = 63,980.81

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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.