Home / 104,514.81-144,231.75-56,768.96

Finding the Fourth Proportional to 104,514.81, 144,231.75 and 56,768.96

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Solution

The fourth proportional to 104,514.81, 144,231.75 and 56,768.96 is: 78,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,514.81 : 144,231.75 = 56,768.96 : x
  2. Step 2: Convert to fraction form
    104,514.81/144,231.75 = 56,768.96/x
  3. Step 3: Cross multiply
    104,514.81x = 144,231.75 × 56,768.96
  4. Step 4: Simplify right side
    104,514.81x = 8,187,885,725.32
  5. Step 5: Solve for x
    x = 8,187,885,725.32/104,514.81
  6. Step 6: Final answer
    x = 78,341.87

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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.