Home / 43,278.36-64,917.54-10,446.36

Finding the Fourth Proportional to 43,278.36, 64,917.54 and 10,446.36

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Solution

The fourth proportional to 43,278.36, 64,917.54 and 10,446.36 is: 15,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.36 : 64,917.54 = 10,446.36 : x
  2. Step 2: Convert to fraction form
    43,278.36/64,917.54 = 10,446.36/x
  3. Step 3: Cross multiply
    43,278.36x = 64,917.54 × 10,446.36
  4. Step 4: Simplify right side
    43,278.36x = 678,151,993.15
  5. Step 5: Solve for x
    x = 678,151,993.15/43,278.36
  6. Step 6: Final answer
    x = 15,669.54

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Similar ratio
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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.