Home / 110,723.89-165,836.13-51,434.79

Finding the Fourth Proportional to 110,723.89, 165,836.13 and 51,434.79

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Solution

The fourth proportional to 110,723.89, 165,836.13 and 51,434.79 is: 77,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,723.89 : 165,836.13 = 51,434.79 : x
  2. Step 2: Convert to fraction form
    110,723.89/165,836.13 = 51,434.79/x
  3. Step 3: Cross multiply
    110,723.89x = 165,836.13 × 51,434.79
  4. Step 4: Simplify right side
    110,723.89x = 8,529,746,520.96
  5. Step 5: Solve for x
    x = 8,529,746,520.96/110,723.89
  6. Step 6: Final answer
    x = 77,036.19

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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.