Home / 53,576.20-80,234.70-51,243.40

Finding the Fourth Proportional to 53,576.20, 80,234.70 and 51,243.40

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Solution

The fourth proportional to 53,576.20, 80,234.70 and 51,243.40 is: 76,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,576.20 : 80,234.70 = 51,243.40 : x
  2. Step 2: Convert to fraction form
    53,576.20/80,234.70 = 51,243.40/x
  3. Step 3: Cross multiply
    53,576.20x = 80,234.70 × 51,243.40
  4. Step 4: Simplify right side
    53,576.20x = 4,111,498,825.98
  5. Step 5: Solve for x
    x = 4,111,498,825.98/53,576.20
  6. Step 6: Final answer
    x = 76,741.14

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1.5x scale

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.