Home / 53,933.18-74,421.63-31,267.44

Finding the Fourth Proportional to 53,933.18, 74,421.63 and 31,267.44

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Solution

The fourth proportional to 53,933.18, 74,421.63 and 31,267.44 is: 43,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.18 : 74,421.63 = 31,267.44 : x
  2. Step 2: Convert to fraction form
    53,933.18/74,421.63 = 31,267.44/x
  3. Step 3: Cross multiply
    53,933.18x = 74,421.63 × 31,267.44
  4. Step 4: Simplify right side
    53,933.18x = 2,326,973,850.73
  5. Step 5: Solve for x
    x = 2,326,973,850.73/53,933.18
  6. Step 6: Final answer
    x = 43,145.50

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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.