Home / 54,212.26-74,803.08-31,238.50

Finding the Fourth Proportional to 54,212.26, 74,803.08 and 31,238.50

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Solution

The fourth proportional to 54,212.26, 74,803.08 and 31,238.50 is: 43,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,212.26 : 74,803.08 = 31,238.50 : x
  2. Step 2: Convert to fraction form
    54,212.26/74,803.08 = 31,238.50/x
  3. Step 3: Cross multiply
    54,212.26x = 74,803.08 × 31,238.50
  4. Step 4: Simplify right side
    54,212.26x = 2,336,736,014.58
  5. Step 5: Solve for x
    x = 2,336,736,014.58/54,212.26
  6. Step 6: Final answer
    x = 43,103.46

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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.