Home / 53,441.52-79,767.56-47,137.96

Finding the Fourth Proportional to 53,441.52, 79,767.56 and 47,137.96

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Solution

The fourth proportional to 53,441.52, 79,767.56 and 47,137.96 is: 70,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,441.52 : 79,767.56 = 47,137.96 : x
  2. Step 2: Convert to fraction form
    53,441.52/79,767.56 = 47,137.96/x
  3. Step 3: Cross multiply
    53,441.52x = 79,767.56 × 47,137.96
  4. Step 4: Simplify right side
    53,441.52x = 3,760,080,052.58
  5. Step 5: Solve for x
    x = 3,760,080,052.58/53,441.52
  6. Step 6: Final answer
    x = 70,358.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.