Home / 80,846.90-111,576.93-45,042.74

Finding the Fourth Proportional to 80,846.90, 111,576.93 and 45,042.74

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Solution

The fourth proportional to 80,846.90, 111,576.93 and 45,042.74 is: 62,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,846.90 : 111,576.93 = 45,042.74 : x
  2. Step 2: Convert to fraction form
    80,846.90/111,576.93 = 45,042.74/x
  3. Step 3: Cross multiply
    80,846.90x = 111,576.93 × 45,042.74
  4. Step 4: Simplify right side
    80,846.90x = 5,025,730,647.99
  5. Step 5: Solve for x
    x = 5,025,730,647.99/80,846.90
  6. Step 6: Final answer
    x = 62,163.55

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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.