Home / 124,942.50-187,433.26-40,682.79

Finding the Fourth Proportional to 124,942.50, 187,433.26 and 40,682.79

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Solution

The fourth proportional to 124,942.50, 187,433.26 and 40,682.79 is: 61,030.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,942.50 : 187,433.26 = 40,682.79 : x
  2. Step 2: Convert to fraction form
    124,942.50/187,433.26 = 40,682.79/x
  3. Step 3: Cross multiply
    124,942.50x = 187,433.26 × 40,682.79
  4. Step 4: Simplify right side
    124,942.50x = 7,625,307,853.89
  5. Step 5: Solve for x
    x = 7,625,307,853.89/124,942.50
  6. Step 6: Final answer
    x = 61,030.54

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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.