Home / 87,071.56-130,511.72-44,954.80

Finding the Fourth Proportional to 87,071.56, 130,511.72 and 44,954.80

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Solution

The fourth proportional to 87,071.56, 130,511.72 and 44,954.80 is: 67,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,071.56 : 130,511.72 = 44,954.80 : x
  2. Step 2: Convert to fraction form
    87,071.56/130,511.72 = 44,954.80/x
  3. Step 3: Cross multiply
    87,071.56x = 130,511.72 × 44,954.80
  4. Step 4: Simplify right side
    87,071.56x = 5,867,128,056.36
  5. Step 5: Solve for x
    x = 5,867,128,056.36/87,071.56
  6. Step 6: Final answer
    x = 67,382.83

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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.