Home / 82,445.65-123,684.87-26,283.94

Finding the Fourth Proportional to 82,445.65, 123,684.87 and 26,283.94

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Solution

The fourth proportional to 82,445.65, 123,684.87 and 26,283.94 is: 39,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.65 : 123,684.87 = 26,283.94 : x
  2. Step 2: Convert to fraction form
    82,445.65/123,684.87 = 26,283.94/x
  3. Step 3: Cross multiply
    82,445.65x = 123,684.87 × 26,283.94
  4. Step 4: Simplify right side
    82,445.65x = 3,250,926,187.07
  5. Step 5: Solve for x
    x = 3,250,926,187.07/82,445.65
  6. Step 6: Final answer
    x = 39,431.14

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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.