Home / 82,721.44-114,129.84-46,908.64

Finding the Fourth Proportional to 82,721.44, 114,129.84 and 46,908.64

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Solution

The fourth proportional to 82,721.44, 114,129.84 and 46,908.64 is: 64,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.44 : 114,129.84 = 46,908.64 : x
  2. Step 2: Convert to fraction form
    82,721.44/114,129.84 = 46,908.64/x
  3. Step 3: Cross multiply
    82,721.44x = 114,129.84 × 46,908.64
  4. Step 4: Simplify right side
    82,721.44x = 5,353,675,577.82
  5. Step 5: Solve for x
    x = 5,353,675,577.82/82,721.44
  6. Step 6: Final answer
    x = 64,719.32

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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.