Home / 76,754.46-115,157.84-46,828.61

Finding the Fourth Proportional to 76,754.46, 115,157.84 and 46,828.61

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Solution

The fourth proportional to 76,754.46, 115,157.84 and 46,828.61 is: 70,258.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,754.46 : 115,157.84 = 46,828.61 : x
  2. Step 2: Convert to fraction form
    76,754.46/115,157.84 = 46,828.61/x
  3. Step 3: Cross multiply
    76,754.46x = 115,157.84 × 46,828.61
  4. Step 4: Simplify right side
    76,754.46x = 5,392,681,577.80
  5. Step 5: Solve for x
    x = 5,392,681,577.80/76,754.46
  6. Step 6: Final answer
    x = 70,258.87

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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.