Home / 76,270.67-114,448.43-34,149.05

Finding the Fourth Proportional to 76,270.67, 114,448.43 and 34,149.05

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Solution

The fourth proportional to 76,270.67, 114,448.43 and 34,149.05 is: 51,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,270.67 : 114,448.43 = 34,149.05 : x
  2. Step 2: Convert to fraction form
    76,270.67/114,448.43 = 34,149.05/x
  3. Step 3: Cross multiply
    76,270.67x = 114,448.43 × 34,149.05
  4. Step 4: Simplify right side
    76,270.67x = 3,908,305,158.49
  5. Step 5: Solve for x
    x = 3,908,305,158.49/76,270.67
  6. Step 6: Final answer
    x = 51,242.57

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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.