Home / 81,865.76-112,974.57-46,055.81

Finding the Fourth Proportional to 81,865.76, 112,974.57 and 46,055.81

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Solution

The fourth proportional to 81,865.76, 112,974.57 and 46,055.81 is: 63,556.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,865.76 : 112,974.57 = 46,055.81 : x
  2. Step 2: Convert to fraction form
    81,865.76/112,974.57 = 46,055.81/x
  3. Step 3: Cross multiply
    81,865.76x = 112,974.57 × 46,055.81
  4. Step 4: Simplify right side
    81,865.76x = 5,203,135,613.19
  5. Step 5: Solve for x
    x = 5,203,135,613.19/81,865.76
  6. Step 6: Final answer
    x = 63,556.92

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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.