Home / 75,720.33-104,492.64-41,731.96

Finding the Fourth Proportional to 75,720.33, 104,492.64 and 41,731.96

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Solution

The fourth proportional to 75,720.33, 104,492.64 and 41,731.96 is: 57,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,720.33 : 104,492.64 = 41,731.96 : x
  2. Step 2: Convert to fraction form
    75,720.33/104,492.64 = 41,731.96/x
  3. Step 3: Cross multiply
    75,720.33x = 104,492.64 × 41,731.96
  4. Step 4: Simplify right side
    75,720.33x = 4,360,682,672.77
  5. Step 5: Solve for x
    x = 4,360,682,672.77/75,720.33
  6. Step 6: Final answer
    x = 57,589.32

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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.