Home / 104,543.68-156,766.11-40,531.81

Finding the Fourth Proportional to 104,543.68, 156,766.11 and 40,531.81

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Solution

The fourth proportional to 104,543.68, 156,766.11 and 40,531.81 is: 60,778.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.68 : 156,766.11 = 40,531.81 : x
  2. Step 2: Convert to fraction form
    104,543.68/156,766.11 = 40,531.81/x
  3. Step 3: Cross multiply
    104,543.68x = 156,766.11 × 40,531.81
  4. Step 4: Simplify right side
    104,543.68x = 6,354,014,184.96
  5. Step 5: Solve for x
    x = 6,354,014,184.96/104,543.68
  6. Step 6: Final answer
    x = 60,778.56

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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.