Home / 104,029.10-156,043.65-66,704.30

Finding the Fourth Proportional to 104,029.10, 156,043.65 and 66,704.30

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Solution

The fourth proportional to 104,029.10, 156,043.65 and 66,704.30 is: 100,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,029.10 : 156,043.65 = 66,704.30 : x
  2. Step 2: Convert to fraction form
    104,029.10/156,043.65 = 66,704.30/x
  3. Step 3: Cross multiply
    104,029.10x = 156,043.65 × 66,704.30
  4. Step 4: Simplify right side
    104,029.10x = 10,408,782,442.70
  5. Step 5: Solve for x
    x = 10,408,782,442.70/104,029.10
  6. Step 6: Final answer
    x = 100,056.45

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1.5x scale

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.