Home / 124,667.76-187,072.36-45,771.76

Finding the Fourth Proportional to 124,667.76, 187,072.36 and 45,771.76

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Solution

The fourth proportional to 124,667.76, 187,072.36 and 45,771.76 is: 68,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,667.76 : 187,072.36 = 45,771.76 : x
  2. Step 2: Convert to fraction form
    124,667.76/187,072.36 = 45,771.76/x
  3. Step 3: Cross multiply
    124,667.76x = 187,072.36 × 45,771.76
  4. Step 4: Simplify right side
    124,667.76x = 8,562,631,164.55
  5. Step 5: Solve for x
    x = 8,562,631,164.55/124,667.76
  6. Step 6: Final answer
    x = 68,683.60

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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.