Home / 85,954.06-128,982.93-36,706.06

Finding the Fourth Proportional to 85,954.06, 128,982.93 and 36,706.06

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Solution

The fourth proportional to 85,954.06, 128,982.93 and 36,706.06 is: 55,081.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,954.06 : 128,982.93 = 36,706.06 : x
  2. Step 2: Convert to fraction form
    85,954.06/128,982.93 = 36,706.06/x
  3. Step 3: Cross multiply
    85,954.06x = 128,982.93 × 36,706.06
  4. Step 4: Simplify right side
    85,954.06x = 4,734,455,167.56
  5. Step 5: Solve for x
    x = 4,734,455,167.56/85,954.06
  6. Step 6: Final answer
    x = 55,081.23

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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.