Home / 83,817.37-115,668.57-45,576.87

Finding the Fourth Proportional to 83,817.37, 115,668.57 and 45,576.87

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Solution

The fourth proportional to 83,817.37, 115,668.57 and 45,576.87 is: 62,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,817.37 : 115,668.57 = 45,576.87 : x
  2. Step 2: Convert to fraction form
    83,817.37/115,668.57 = 45,576.87/x
  3. Step 3: Cross multiply
    83,817.37x = 115,668.57 × 45,576.87
  4. Step 4: Simplify right side
    83,817.37x = 5,271,811,377.98
  5. Step 5: Solve for x
    x = 5,271,811,377.98/83,817.37
  6. Step 6: Final answer
    x = 62,896.41

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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.