Home / 86,583.12-129,640.07-44,942.64

Finding the Fourth Proportional to 86,583.12, 129,640.07 and 44,942.64

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Solution

The fourth proportional to 86,583.12, 129,640.07 and 44,942.64 is: 67,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.12 : 129,640.07 = 44,942.64 : x
  2. Step 2: Convert to fraction form
    86,583.12/129,640.07 = 44,942.64/x
  3. Step 3: Cross multiply
    86,583.12x = 129,640.07 × 44,942.64
  4. Step 4: Simplify right side
    86,583.12x = 5,826,366,770.87
  5. Step 5: Solve for x
    x = 5,826,366,770.87/86,583.12
  6. Step 6: Final answer
    x = 67,292.18

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1.5x scale

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.