Home / 43,245.95-64,864.10-11,659.16

Finding the Fourth Proportional to 43,245.95, 64,864.10 and 11,659.16

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Solution

The fourth proportional to 43,245.95, 64,864.10 and 11,659.16 is: 17,487.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,245.95 : 64,864.10 = 11,659.16 : x
  2. Step 2: Convert to fraction form
    43,245.95/64,864.10 = 11,659.16/x
  3. Step 3: Cross multiply
    43,245.95x = 64,864.10 × 11,659.16
  4. Step 4: Simplify right side
    43,245.95x = 756,260,537.54
  5. Step 5: Solve for x
    x = 756,260,537.54/43,245.95
  6. Step 6: Final answer
    x = 17,487.43

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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.