Home / 43,100.54-64,650.82-11,935.79

Finding the Fourth Proportional to 43,100.54, 64,650.82 and 11,935.79

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Solution

The fourth proportional to 43,100.54, 64,650.82 and 11,935.79 is: 17,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.54 : 64,650.82 = 11,935.79 : x
  2. Step 2: Convert to fraction form
    43,100.54/64,650.82 = 11,935.79/x
  3. Step 3: Cross multiply
    43,100.54x = 64,650.82 × 11,935.79
  4. Step 4: Simplify right side
    43,100.54x = 771,658,812.10
  5. Step 5: Solve for x
    x = 771,658,812.10/43,100.54
  6. Step 6: Final answer
    x = 17,903.69

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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.