Home / 82,340.37-123,485.67-34,954.47

Finding the Fourth Proportional to 82,340.37, 123,485.67 and 34,954.47

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Solution

The fourth proportional to 82,340.37, 123,485.67 and 34,954.47 is: 52,421.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,340.37 : 123,485.67 = 34,954.47 : x
  2. Step 2: Convert to fraction form
    82,340.37/123,485.67 = 34,954.47/x
  3. Step 3: Cross multiply
    82,340.37x = 123,485.67 × 34,954.47
  4. Step 4: Simplify right side
    82,340.37x = 4,316,376,147.44
  5. Step 5: Solve for x
    x = 4,316,376,147.44/82,340.37
  6. Step 6: Final answer
    x = 52,421.14

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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.