Home / 75,629.50-113,444.21-31,207.41

Finding the Fourth Proportional to 75,629.50, 113,444.21 and 31,207.41

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Solution

The fourth proportional to 75,629.50, 113,444.21 and 31,207.41 is: 46,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.50 : 113,444.21 = 31,207.41 : x
  2. Step 2: Convert to fraction form
    75,629.50/113,444.21 = 31,207.41/x
  3. Step 3: Cross multiply
    75,629.50x = 113,444.21 × 31,207.41
  4. Step 4: Simplify right side
    75,629.50x = 3,540,300,051.61
  5. Step 5: Solve for x
    x = 3,540,300,051.61/75,629.50
  6. Step 6: Final answer
    x = 46,811.10

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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.