Home / 53,819.88-74,282.34-31,471.08

Finding the Fourth Proportional to 53,819.88, 74,282.34 and 31,471.08

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Solution

The fourth proportional to 53,819.88, 74,282.34 and 31,471.08 is: 43,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,819.88 : 74,282.34 = 31,471.08 : x
  2. Step 2: Convert to fraction form
    53,819.88/74,282.34 = 31,471.08/x
  3. Step 3: Cross multiply
    53,819.88x = 74,282.34 × 31,471.08
  4. Step 4: Simplify right side
    53,819.88x = 2,337,745,464.73
  5. Step 5: Solve for x
    x = 2,337,745,464.73/53,819.88
  6. Step 6: Final answer
    x = 43,436.47

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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.