Home / 76,494.35-114,701.91-34,338.12

Finding the Fourth Proportional to 76,494.35, 114,701.91 and 34,338.12

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Solution

The fourth proportional to 76,494.35, 114,701.91 and 34,338.12 is: 51,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494.35 : 114,701.91 = 34,338.12 : x
  2. Step 2: Convert to fraction form
    76,494.35/114,701.91 = 34,338.12/x
  3. Step 3: Cross multiply
    76,494.35x = 114,701.91 × 34,338.12
  4. Step 4: Simplify right side
    76,494.35x = 3,938,647,949.81
  5. Step 5: Solve for x
    x = 3,938,647,949.81/76,494.35
  6. Step 6: Final answer
    x = 51,489.40

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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.