Home / 74,426.31-111,651.75-34,485.21

Finding the Fourth Proportional to 74,426.31, 111,651.75 and 34,485.21

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Solution

The fourth proportional to 74,426.31, 111,651.75 and 34,485.21 is: 51,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.31 : 111,651.75 = 34,485.21 : x
  2. Step 2: Convert to fraction form
    74,426.31/111,651.75 = 34,485.21/x
  3. Step 3: Cross multiply
    74,426.31x = 111,651.75 × 34,485.21
  4. Step 4: Simplify right side
    74,426.31x = 3,850,334,045.62
  5. Step 5: Solve for x
    x = 3,850,334,045.62/74,426.31
  6. Step 6: Final answer
    x = 51,733.51

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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.