Home / 83,706.56-125,453.05-39,235.34

Finding the Fourth Proportional to 83,706.56, 125,453.05 and 39,235.34

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Solution

The fourth proportional to 83,706.56, 125,453.05 and 39,235.34 is: 58,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,706.56 : 125,453.05 = 39,235.34 : x
  2. Step 2: Convert to fraction form
    83,706.56/125,453.05 = 39,235.34/x
  3. Step 3: Cross multiply
    83,706.56x = 125,453.05 × 39,235.34
  4. Step 4: Simplify right side
    83,706.56x = 4,922,192,345.43
  5. Step 5: Solve for x
    x = 4,922,192,345.43/83,706.56
  6. Step 6: Final answer
    x = 58,802.94

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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.