Home / 75,655.90-113,431.28-33,513.02

Finding the Fourth Proportional to 75,655.90, 113,431.28 and 33,513.02

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Solution

The fourth proportional to 75,655.90, 113,431.28 and 33,513.02 is: 50,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,655.90 : 113,431.28 = 33,513.02 : x
  2. Step 2: Convert to fraction form
    75,655.90/113,431.28 = 33,513.02/x
  3. Step 3: Cross multiply
    75,655.90x = 113,431.28 × 33,513.02
  4. Step 4: Simplify right side
    75,655.90x = 3,801,424,755.27
  5. Step 5: Solve for x
    x = 3,801,424,755.27/75,655.90
  6. Step 6: Final answer
    x = 50,246.24

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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.