Home / 81,908.19-113,036.93-46,100.52

Finding the Fourth Proportional to 81,908.19, 113,036.93 and 46,100.52

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Solution

The fourth proportional to 81,908.19, 113,036.93 and 46,100.52 is: 63,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,908.19 : 113,036.93 = 46,100.52 : x
  2. Step 2: Convert to fraction form
    81,908.19/113,036.93 = 46,100.52/x
  3. Step 3: Cross multiply
    81,908.19x = 113,036.93 × 46,100.52
  4. Step 4: Simplify right side
    81,908.19x = 5,211,061,021.70
  5. Step 5: Solve for x
    x = 5,211,061,021.70/81,908.19
  6. Step 6: Final answer
    x = 63,620.76

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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.