Home / 75,720.64-113,576.86-23,126.02

Finding the Fourth Proportional to 75,720.64, 113,576.86 and 23,126.02

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Solution

The fourth proportional to 75,720.64, 113,576.86 and 23,126.02 is: 34,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,720.64 : 113,576.86 = 23,126.02 : x
  2. Step 2: Convert to fraction form
    75,720.64/113,576.86 = 23,126.02/x
  3. Step 3: Cross multiply
    75,720.64x = 113,576.86 × 23,126.02
  4. Step 4: Simplify right side
    75,720.64x = 2,626,580,735.90
  5. Step 5: Solve for x
    x = 2,626,580,735.90/75,720.64
  6. Step 6: Final answer
    x = 34,687.78

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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.