Home / 84,895.62-127,336.07-28,734.48

Finding the Fourth Proportional to 84,895.62, 127,336.07 and 28,734.48

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Solution

The fourth proportional to 84,895.62, 127,336.07 and 28,734.48 is: 43,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,895.62 : 127,336.07 = 28,734.48 : x
  2. Step 2: Convert to fraction form
    84,895.62/127,336.07 = 28,734.48/x
  3. Step 3: Cross multiply
    84,895.62x = 127,336.07 × 28,734.48
  4. Step 4: Simplify right side
    84,895.62x = 3,658,935,613.02
  5. Step 5: Solve for x
    x = 3,658,935,613.02/84,895.62
  6. Step 6: Final answer
    x = 43,099.23

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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.