Home / 104,009.40-156,014.10-56,770.20

Finding the Fourth Proportional to 104,009.40, 156,014.10 and 56,770.20

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Solution

The fourth proportional to 104,009.40, 156,014.10 and 56,770.20 is: 85,155.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.40 : 156,014.10 = 56,770.20 : x
  2. Step 2: Convert to fraction form
    104,009.40/156,014.10 = 56,770.20/x
  3. Step 3: Cross multiply
    104,009.40x = 156,014.10 × 56,770.20
  4. Step 4: Simplify right side
    104,009.40x = 8,856,951,659.82
  5. Step 5: Solve for x
    x = 8,856,951,659.82/104,009.40
  6. Step 6: Final answer
    x = 85,155.30

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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.