Home / 45,716.41-68,574.60-30,020.59

Finding the Fourth Proportional to 45,716.41, 68,574.60 and 30,020.59

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Solution

The fourth proportional to 45,716.41, 68,574.60 and 30,020.59 is: 45,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,716.41 : 68,574.60 = 30,020.59 : x
  2. Step 2: Convert to fraction form
    45,716.41/68,574.60 = 30,020.59/x
  3. Step 3: Cross multiply
    45,716.41x = 68,574.60 × 30,020.59
  4. Step 4: Simplify right side
    45,716.41x = 2,058,649,951.01
  5. Step 5: Solve for x
    x = 2,058,649,951.01/45,716.41
  6. Step 6: Final answer
    x = 45,030.88

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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.