Home / 55,422.51-76,481.46-30,272.01

Finding the Fourth Proportional to 55,422.51, 76,481.46 and 30,272.01

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Solution

The fourth proportional to 55,422.51, 76,481.46 and 30,272.01 is: 41,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.51 : 76,481.46 = 30,272.01 : x
  2. Step 2: Convert to fraction form
    55,422.51/76,481.46 = 30,272.01/x
  3. Step 3: Cross multiply
    55,422.51x = 76,481.46 × 30,272.01
  4. Step 4: Simplify right side
    55,422.51x = 2,315,247,521.93
  5. Step 5: Solve for x
    x = 2,315,247,521.93/55,422.51
  6. Step 6: Final answer
    x = 41,774.50

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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.