Home / 104,091.30-143,646.48-56,344.68

Finding the Fourth Proportional to 104,091.30, 143,646.48 and 56,344.68

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Solution

The fourth proportional to 104,091.30, 143,646.48 and 56,344.68 is: 77,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,091.30 : 143,646.48 = 56,344.68 : x
  2. Step 2: Convert to fraction form
    104,091.30/143,646.48 = 56,344.68/x
  3. Step 3: Cross multiply
    104,091.30x = 143,646.48 × 56,344.68
  4. Step 4: Simplify right side
    104,091.30x = 8,093,714,948.73
  5. Step 5: Solve for x
    x = 8,093,714,948.73/104,091.30
  6. Step 6: Final answer
    x = 77,755.92

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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.