Home / 53,180.10-79,770.15-43,338.60

Finding the Fourth Proportional to 53,180.10, 79,770.15 and 43,338.60

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Solution

The fourth proportional to 53,180.10, 79,770.15 and 43,338.60 is: 65,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,180.10 : 79,770.15 = 43,338.60 : x
  2. Step 2: Convert to fraction form
    53,180.10/79,770.15 = 43,338.60/x
  3. Step 3: Cross multiply
    53,180.10x = 79,770.15 × 43,338.60
  4. Step 4: Simplify right side
    53,180.10x = 3,457,126,622.79
  5. Step 5: Solve for x
    x = 3,457,126,622.79/53,180.10
  6. Step 6: Final answer
    x = 65,007.90

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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.