Home / 124,705.46-187,058.20-45,785.54

Finding the Fourth Proportional to 124,705.46, 187,058.20 and 45,785.54

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Solution

The fourth proportional to 124,705.46, 187,058.20 and 45,785.54 is: 68,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,705.46 : 187,058.20 = 45,785.54 : x
  2. Step 2: Convert to fraction form
    124,705.46/187,058.20 = 45,785.54/x
  3. Step 3: Cross multiply
    124,705.46x = 187,058.20 × 45,785.54
  4. Step 4: Simplify right side
    124,705.46x = 8,564,560,698.43
  5. Step 5: Solve for x
    x = 8,564,560,698.43/124,705.46
  6. Step 6: Final answer
    x = 68,678.31

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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.