Home / 82,020.95-123,048.59-34,636.18

Finding the Fourth Proportional to 82,020.95, 123,048.59 and 34,636.18

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Solution

The fourth proportional to 82,020.95, 123,048.59 and 34,636.18 is: 51,961.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,020.95 : 123,048.59 = 34,636.18 : x
  2. Step 2: Convert to fraction form
    82,020.95/123,048.59 = 34,636.18/x
  3. Step 3: Cross multiply
    82,020.95x = 123,048.59 × 34,636.18
  4. Step 4: Simplify right side
    82,020.95x = 4,261,933,500.22
  5. Step 5: Solve for x
    x = 4,261,933,500.22/82,020.95
  6. Step 6: Final answer
    x = 51,961.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.