Home / 104,249.29-143,864.25-56,502.61

Finding the Fourth Proportional to 104,249.29, 143,864.25 and 56,502.61

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Solution

The fourth proportional to 104,249.29, 143,864.25 and 56,502.61 is: 77,973.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,249.29 : 143,864.25 = 56,502.61 : x
  2. Step 2: Convert to fraction form
    104,249.29/143,864.25 = 56,502.61/x
  3. Step 3: Cross multiply
    104,249.29x = 143,864.25 × 56,502.61
  4. Step 4: Simplify right side
    104,249.29x = 8,128,705,610.69
  5. Step 5: Solve for x
    x = 8,128,705,610.69/104,249.29
  6. Step 6: Final answer
    x = 77,973.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.