Home / 104,870.60-156,977.85-82,563.20

Finding the Fourth Proportional to 104,870.60, 156,977.85 and 82,563.20

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Solution

The fourth proportional to 104,870.60, 156,977.85 and 82,563.20 is: 123,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,870.60 : 156,977.85 = 82,563.20 : x
  2. Step 2: Convert to fraction form
    104,870.60/156,977.85 = 82,563.20/x
  3. Step 3: Cross multiply
    104,870.60x = 156,977.85 × 82,563.20
  4. Step 4: Simplify right side
    104,870.60x = 12,960,593,625.12
  5. Step 5: Solve for x
    x = 12,960,593,625.12/104,870.60
  6. Step 6: Final answer
    x = 123,586.53

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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.