Home / 97,823.80-146,346.90-84,820.60

Finding the Fourth Proportional to 97,823.80, 146,346.90 and 84,820.60

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Solution

The fourth proportional to 97,823.80, 146,346.90 and 84,820.60 is: 126,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,823.80 : 146,346.90 = 84,820.60 : x
  2. Step 2: Convert to fraction form
    97,823.80/146,346.90 = 84,820.60/x
  3. Step 3: Cross multiply
    97,823.80x = 146,346.90 × 84,820.60
  4. Step 4: Simplify right side
    97,823.80x = 12,413,231,866.14
  5. Step 5: Solve for x
    x = 12,413,231,866.14/97,823.80
  6. Step 6: Final answer
    x = 126,893.78

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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.