Home / 75,954.64-113,941.05-31,611.37

Finding the Fourth Proportional to 75,954.64, 113,941.05 and 31,611.37

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Solution

The fourth proportional to 75,954.64, 113,941.05 and 31,611.37 is: 47,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,954.64 : 113,941.05 = 31,611.37 : x
  2. Step 2: Convert to fraction form
    75,954.64/113,941.05 = 31,611.37/x
  3. Step 3: Cross multiply
    75,954.64x = 113,941.05 × 31,611.37
  4. Step 4: Simplify right side
    75,954.64x = 3,601,832,689.74
  5. Step 5: Solve for x
    x = 3,601,832,689.74/75,954.64
  6. Step 6: Final answer
    x = 47,420.84

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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.