Home / 50,710.86-76,066.29-19,112.36

Finding the Fourth Proportional to 50,710.86, 76,066.29 and 19,112.36

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Solution

The fourth proportional to 50,710.86, 76,066.29 and 19,112.36 is: 28,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,710.86 : 76,066.29 = 19,112.36 : x
  2. Step 2: Convert to fraction form
    50,710.86/76,066.29 = 19,112.36/x
  3. Step 3: Cross multiply
    50,710.86x = 76,066.29 × 19,112.36
  4. Step 4: Simplify right side
    50,710.86x = 1,453,805,938.01
  5. Step 5: Solve for x
    x = 1,453,805,938.01/50,710.86
  6. Step 6: Final answer
    x = 28,668.53

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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.