Home / 92,539.17-138,467.75-65,441.43

Finding the Fourth Proportional to 92,539.17, 138,467.75 and 65,441.43

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Solution

The fourth proportional to 92,539.17, 138,467.75 and 65,441.43 is: 97,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,539.17 : 138,467.75 = 65,441.43 : x
  2. Step 2: Convert to fraction form
    92,539.17/138,467.75 = 65,441.43/x
  3. Step 3: Cross multiply
    92,539.17x = 138,467.75 × 65,441.43
  4. Step 4: Simplify right side
    92,539.17x = 9,061,527,241.68
  5. Step 5: Solve for x
    x = 9,061,527,241.68/92,539.17
  6. Step 6: Final answer
    x = 97,920.99

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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.