Home / 124,777.31-187,240.10-45,946.89

Finding the Fourth Proportional to 124,777.31, 187,240.10 and 45,946.89

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Solution

The fourth proportional to 124,777.31, 187,240.10 and 45,946.89 is: 68,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.31 : 187,240.10 = 45,946.89 : x
  2. Step 2: Convert to fraction form
    124,777.31/187,240.10 = 45,946.89/x
  3. Step 3: Cross multiply
    124,777.31x = 187,240.10 × 45,946.89
  4. Step 4: Simplify right side
    124,777.31x = 8,603,100,048.55
  5. Step 5: Solve for x
    x = 8,603,100,048.55/124,777.31
  6. Step 6: Final answer
    x = 68,947.63

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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.