Home / 104,267.82-143,890.48-56,521.96

Finding the Fourth Proportional to 104,267.82, 143,890.48 and 56,521.96

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Solution

The fourth proportional to 104,267.82, 143,890.48 and 56,521.96 is: 78,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,267.82 : 143,890.48 = 56,521.96 : x
  2. Step 2: Convert to fraction form
    104,267.82/143,890.48 = 56,521.96/x
  3. Step 3: Cross multiply
    104,267.82x = 143,890.48 × 56,521.96
  4. Step 4: Simplify right side
    104,267.82x = 8,132,971,954.94
  5. Step 5: Solve for x
    x = 8,132,971,954.94/104,267.82
  6. Step 6: Final answer
    x = 78,000.79

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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.