Home / 104,092.13-143,647.20-56,345.87

Finding the Fourth Proportional to 104,092.13, 143,647.20 and 56,345.87

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Solution

The fourth proportional to 104,092.13, 143,647.20 and 56,345.87 is: 77,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,092.13 : 143,647.20 = 56,345.87 : x
  2. Step 2: Convert to fraction form
    104,092.13/143,647.20 = 56,345.87/x
  3. Step 3: Cross multiply
    104,092.13x = 143,647.20 × 56,345.87
  4. Step 4: Simplify right side
    104,092.13x = 8,093,925,738.83
  5. Step 5: Solve for x
    x = 8,093,925,738.83/104,092.13
  6. Step 6: Final answer
    x = 77,757.33

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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.