Home / 43,272.10-64,944.60-16,995.70

Finding the Fourth Proportional to 43,272.10, 64,944.60 and 16,995.70

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Solution

The fourth proportional to 43,272.10, 64,944.60 and 16,995.70 is: 25,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.10 : 64,944.60 = 16,995.70 : x
  2. Step 2: Convert to fraction form
    43,272.10/64,944.60 = 16,995.70/x
  3. Step 3: Cross multiply
    43,272.10x = 64,944.60 × 16,995.70
  4. Step 4: Simplify right side
    43,272.10x = 1,103,778,938.22
  5. Step 5: Solve for x
    x = 1,103,778,938.22/43,272.10
  6. Step 6: Final answer
    x = 25,507.87

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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.