Home / 74,507.16-102,735.90-54,328.44

Finding the Fourth Proportional to 74,507.16, 102,735.90 and 54,328.44

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Solution

The fourth proportional to 74,507.16, 102,735.90 and 54,328.44 is: 74,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,507.16 : 102,735.90 = 54,328.44 : x
  2. Step 2: Convert to fraction form
    74,507.16/102,735.90 = 54,328.44/x
  3. Step 3: Cross multiply
    74,507.16x = 102,735.90 × 54,328.44
  4. Step 4: Simplify right side
    74,507.16x = 5,581,481,179.00
  5. Step 5: Solve for x
    x = 5,581,481,179.00/74,507.16
  6. Step 6: Final answer
    x = 74,912.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.