Home / 55,365.14-76,403.87-30,214.64

Finding the Fourth Proportional to 55,365.14, 76,403.87 and 30,214.64

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Solution

The fourth proportional to 55,365.14, 76,403.87 and 30,214.64 is: 41,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.14 : 76,403.87 = 30,214.64 : x
  2. Step 2: Convert to fraction form
    55,365.14/76,403.87 = 30,214.64/x
  3. Step 3: Cross multiply
    55,365.14x = 76,403.87 × 30,214.64
  4. Step 4: Simplify right side
    55,365.14x = 2,308,514,893.56
  5. Step 5: Solve for x
    x = 2,308,514,893.56/55,365.14
  6. Step 6: Final answer
    x = 41,696.18

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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.