Home / 82,012.08-122,843.16-62,299.92

Finding the Fourth Proportional to 82,012.08, 122,843.16 and 62,299.92

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Solution

The fourth proportional to 82,012.08, 122,843.16 and 62,299.92 is: 93,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,012.08 : 122,843.16 = 62,299.92 : x
  2. Step 2: Convert to fraction form
    82,012.08/122,843.16 = 62,299.92/x
  3. Step 3: Cross multiply
    82,012.08x = 122,843.16 × 62,299.92
  4. Step 4: Simplify right side
    82,012.08x = 7,653,119,040.55
  5. Step 5: Solve for x
    x = 7,653,119,040.55/82,012.08
  6. Step 6: Final answer
    x = 93,316.97

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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.