Home / 90,576.18-135,826.26-34,385.31

Finding the Fourth Proportional to 90,576.18, 135,826.26 and 34,385.31

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Solution

The fourth proportional to 90,576.18, 135,826.26 and 34,385.31 is: 51,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.18 : 135,826.26 = 34,385.31 : x
  2. Step 2: Convert to fraction form
    90,576.18/135,826.26 = 34,385.31/x
  3. Step 3: Cross multiply
    90,576.18x = 135,826.26 × 34,385.31
  4. Step 4: Simplify right side
    90,576.18x = 4,670,428,056.24
  5. Step 5: Solve for x
    x = 4,670,428,056.24/90,576.18
  6. Step 6: Final answer
    x = 51,563.54

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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.