Home / 55,573.24-76,690.54-30,422.68

Finding the Fourth Proportional to 55,573.24, 76,690.54 and 30,422.68

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Solution

The fourth proportional to 55,573.24, 76,690.54 and 30,422.68 is: 41,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,573.24 : 76,690.54 = 30,422.68 : x
  2. Step 2: Convert to fraction form
    55,573.24/76,690.54 = 30,422.68/x
  3. Step 3: Cross multiply
    55,573.24x = 76,690.54 × 30,422.68
  4. Step 4: Simplify right side
    55,573.24x = 2,333,131,757.45
  5. Step 5: Solve for x
    x = 2,333,131,757.45/55,573.24
  6. Step 6: Final answer
    x = 41,983.01

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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.