Home / 124,913.97-187,239.74-45,977.85

Finding the Fourth Proportional to 124,913.97, 187,239.74 and 45,977.85

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Solution

The fourth proportional to 124,913.97, 187,239.74 and 45,977.85 is: 68,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,913.97 : 187,239.74 = 45,977.85 : x
  2. Step 2: Convert to fraction form
    124,913.97/187,239.74 = 45,977.85/x
  3. Step 3: Cross multiply
    124,913.97x = 187,239.74 × 45,977.85
  4. Step 4: Simplify right side
    124,913.97x = 8,608,880,449.87
  5. Step 5: Solve for x
    x = 8,608,880,449.87/124,913.97
  6. Step 6: Final answer
    x = 68,918.48

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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.