Home / 74,739.54-111,984.53-52,513.14

Finding the Fourth Proportional to 74,739.54, 111,984.53 and 52,513.14

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Solution

The fourth proportional to 74,739.54, 111,984.53 and 52,513.14 is: 78,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.54 : 111,984.53 = 52,513.14 : x
  2. Step 2: Convert to fraction form
    74,739.54/111,984.53 = 52,513.14/x
  3. Step 3: Cross multiply
    74,739.54x = 111,984.53 × 52,513.14
  4. Step 4: Simplify right side
    74,739.54x = 5,880,659,459.10
  5. Step 5: Solve for x
    x = 5,880,659,459.10/74,739.54
  6. Step 6: Final answer
    x = 78,682.04

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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.