Home / 75,629.22-113,443.84-31,207.16

Finding the Fourth Proportional to 75,629.22, 113,443.84 and 31,207.16

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Solution

The fourth proportional to 75,629.22, 113,443.84 and 31,207.16 is: 46,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.22 : 113,443.84 = 31,207.16 : x
  2. Step 2: Convert to fraction form
    75,629.22/113,443.84 = 31,207.16/x
  3. Step 3: Cross multiply
    75,629.22x = 113,443.84 × 31,207.16
  4. Step 4: Simplify right side
    75,629.22x = 3,540,260,065.89
  5. Step 5: Solve for x
    x = 3,540,260,065.89/75,629.22
  6. Step 6: Final answer
    x = 46,810.74

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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.