Home / 53,765.60-74,198.88-29,891.36

Finding the Fourth Proportional to 53,765.60, 74,198.88 and 29,891.36

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Solution

The fourth proportional to 53,765.60, 74,198.88 and 29,891.36 is: 41,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,765.60 : 74,198.88 = 29,891.36 : x
  2. Step 2: Convert to fraction form
    53,765.60/74,198.88 = 29,891.36/x
  3. Step 3: Cross multiply
    53,765.60x = 74,198.88 × 29,891.36
  4. Step 4: Simplify right side
    53,765.60x = 2,217,905,433.68
  5. Step 5: Solve for x
    x = 2,217,905,433.68/53,765.60
  6. Step 6: Final answer
    x = 41,251.38

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1.5x scale

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.