Home / 55,238.13-76,226.00-31,361.63

Finding the Fourth Proportional to 55,238.13, 76,226.00 and 31,361.63

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Solution

The fourth proportional to 55,238.13, 76,226.00 and 31,361.63 is: 43,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,238.13 : 76,226.00 = 31,361.63 : x
  2. Step 2: Convert to fraction form
    55,238.13/76,226.00 = 31,361.63/x
  3. Step 3: Cross multiply
    55,238.13x = 76,226.00 × 31,361.63
  4. Step 4: Simplify right side
    55,238.13x = 2,390,571,070.44
  5. Step 5: Solve for x
    x = 2,390,571,070.44/55,238.13
  6. Step 6: Final answer
    x = 43,277.55

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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.