Home / 84,837.75-127,200.46-40,471.35

Finding the Fourth Proportional to 84,837.75, 127,200.46 and 40,471.35

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Solution

The fourth proportional to 84,837.75, 127,200.46 and 40,471.35 is: 60,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,837.75 : 127,200.46 = 40,471.35 : x
  2. Step 2: Convert to fraction form
    84,837.75/127,200.46 = 40,471.35/x
  3. Step 3: Cross multiply
    84,837.75x = 127,200.46 × 40,471.35
  4. Step 4: Simplify right side
    84,837.75x = 5,147,974,336.82
  5. Step 5: Solve for x
    x = 5,147,974,336.82/84,837.75
  6. Step 6: Final answer
    x = 60,680.23

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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.