Home / 76,187.50-114,333.09-45,817.36

Finding the Fourth Proportional to 76,187.50, 114,333.09 and 45,817.36

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Solution

The fourth proportional to 76,187.50, 114,333.09 and 45,817.36 is: 68,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,187.50 : 114,333.09 = 45,817.36 : x
  2. Step 2: Convert to fraction form
    76,187.50/114,333.09 = 45,817.36/x
  3. Step 3: Cross multiply
    76,187.50x = 114,333.09 × 45,817.36
  4. Step 4: Simplify right side
    76,187.50x = 5,238,440,344.44
  5. Step 5: Solve for x
    x = 5,238,440,344.44/76,187.50
  6. Step 6: Final answer
    x = 68,757.22

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1.5x scale

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.