Home / 76,114.08-114,301.80-46,704.60

Finding the Fourth Proportional to 76,114.08, 114,301.80 and 46,704.60

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Solution

The fourth proportional to 76,114.08, 114,301.80 and 46,704.60 is: 70,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,114.08 : 114,301.80 = 46,704.60 : x
  2. Step 2: Convert to fraction form
    76,114.08/114,301.80 = 46,704.60/x
  3. Step 3: Cross multiply
    76,114.08x = 114,301.80 × 46,704.60
  4. Step 4: Simplify right side
    76,114.08x = 5,338,419,848.28
  5. Step 5: Solve for x
    x = 5,338,419,848.28/76,114.08
  6. Step 6: Final answer
    x = 70,137.09

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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.