Home / 50,690.97-76,036.65-17,420.61

Finding the Fourth Proportional to 50,690.97, 76,036.65 and 17,420.61

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Solution

The fourth proportional to 50,690.97, 76,036.65 and 17,420.61 is: 26,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,690.97 : 76,036.65 = 17,420.61 : x
  2. Step 2: Convert to fraction form
    50,690.97/76,036.65 = 17,420.61/x
  3. Step 3: Cross multiply
    50,690.97x = 76,036.65 × 17,420.61
  4. Step 4: Simplify right side
    50,690.97x = 1,324,604,825.36
  5. Step 5: Solve for x
    x = 1,324,604,825.36/50,690.97
  6. Step 6: Final answer
    x = 26,130.98

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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.