Home / 53,849.12-80,956.13-43,392.56

Finding the Fourth Proportional to 53,849.12, 80,956.13 and 43,392.56

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Solution

The fourth proportional to 53,849.12, 80,956.13 and 43,392.56 is: 65,235.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.12 : 80,956.13 = 43,392.56 : x
  2. Step 2: Convert to fraction form
    53,849.12/80,956.13 = 43,392.56/x
  3. Step 3: Cross multiply
    53,849.12x = 80,956.13 × 43,392.56
  4. Step 4: Simplify right side
    53,849.12x = 3,512,893,106.65
  5. Step 5: Solve for x
    x = 3,512,893,106.65/53,849.12
  6. Step 6: Final answer
    x = 65,235.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.