Home / 55,113.28-82,295.62-53,618.60

Finding the Fourth Proportional to 55,113.28, 82,295.62 and 53,618.60

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Solution

The fourth proportional to 55,113.28, 82,295.62 and 53,618.60 is: 80,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.28 : 82,295.62 = 53,618.60 : x
  2. Step 2: Convert to fraction form
    55,113.28/82,295.62 = 53,618.60/x
  3. Step 3: Cross multiply
    55,113.28x = 82,295.62 × 53,618.60
  4. Step 4: Simplify right side
    55,113.28x = 4,412,576,002.22
  5. Step 5: Solve for x
    x = 4,412,576,002.22/55,113.28
  6. Step 6: Final answer
    x = 80,063.76

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1.5x scale

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.