Home / 77,021.51-115,536.09-24,426.14

Finding the Fourth Proportional to 77,021.51, 115,536.09 and 24,426.14

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Solution

The fourth proportional to 77,021.51, 115,536.09 and 24,426.14 is: 36,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.51 : 115,536.09 = 24,426.14 : x
  2. Step 2: Convert to fraction form
    77,021.51/115,536.09 = 24,426.14/x
  3. Step 3: Cross multiply
    77,021.51x = 115,536.09 × 24,426.14
  4. Step 4: Simplify right side
    77,021.51x = 2,822,100,709.39
  5. Step 5: Solve for x
    x = 2,822,100,709.39/77,021.51
  6. Step 6: Final answer
    x = 36,640.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.