Home / 104,176.55-156,157.57-40,971.05

Finding the Fourth Proportional to 104,176.55, 156,157.57 and 40,971.05

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Solution

The fourth proportional to 104,176.55, 156,157.57 and 40,971.05 is: 61,414.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,176.55 : 156,157.57 = 40,971.05 : x
  2. Step 2: Convert to fraction form
    104,176.55/156,157.57 = 40,971.05/x
  3. Step 3: Cross multiply
    104,176.55x = 156,157.57 × 40,971.05
  4. Step 4: Simplify right side
    104,176.55x = 6,397,939,673.10
  5. Step 5: Solve for x
    x = 6,397,939,673.10/104,176.55
  6. Step 6: Final answer
    x = 61,414.39

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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.