Home / 97,827.80-146,352.90-84,824.60

Finding the Fourth Proportional to 97,827.80, 146,352.90 and 84,824.60

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Solution

The fourth proportional to 97,827.80, 146,352.90 and 84,824.60 is: 126,899.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,827.80 : 146,352.90 = 84,824.60 : x
  2. Step 2: Convert to fraction form
    97,827.80/146,352.90 = 84,824.60/x
  3. Step 3: Cross multiply
    97,827.80x = 146,352.90 × 84,824.60
  4. Step 4: Simplify right side
    97,827.80x = 12,414,326,201.34
  5. Step 5: Solve for x
    x = 12,414,326,201.34/97,827.80
  6. Step 6: Final answer
    x = 126,899.78

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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.