Home / 104,641.20-156,988.26-45,487.44

Finding the Fourth Proportional to 104,641.20, 156,988.26 and 45,487.44

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Solution

The fourth proportional to 104,641.20, 156,988.26 and 45,487.44 is: 68,242.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,641.20 : 156,988.26 = 45,487.44 : x
  2. Step 2: Convert to fraction form
    104,641.20/156,988.26 = 45,487.44/x
  3. Step 3: Cross multiply
    104,641.20x = 156,988.26 × 45,487.44
  4. Step 4: Simplify right side
    104,641.20x = 7,140,994,057.45
  5. Step 5: Solve for x
    x = 7,140,994,057.45/104,641.20
  6. Step 6: Final answer
    x = 68,242.66

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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.