Home / 104,609.50-156,825.80-45,400.66

Finding the Fourth Proportional to 104,609.50, 156,825.80 and 45,400.66

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Solution

The fourth proportional to 104,609.50, 156,825.80 and 45,400.66 is: 68,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.50 : 156,825.80 = 45,400.66 : x
  2. Step 2: Convert to fraction form
    104,609.50/156,825.80 = 45,400.66/x
  3. Step 3: Cross multiply
    104,609.50x = 156,825.80 × 45,400.66
  4. Step 4: Simplify right side
    104,609.50x = 7,119,994,825.03
  5. Step 5: Solve for x
    x = 7,119,994,825.03/104,609.50
  6. Step 6: Final answer
    x = 68,062.60

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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.