Home / 104,217.84-143,821.10-56,471.18

Finding the Fourth Proportional to 104,217.84, 143,821.10 and 56,471.18

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Solution

The fourth proportional to 104,217.84, 143,821.10 and 56,471.18 is: 77,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.84 : 143,821.10 = 56,471.18 : x
  2. Step 2: Convert to fraction form
    104,217.84/143,821.10 = 56,471.18/x
  3. Step 3: Cross multiply
    104,217.84x = 143,821.10 × 56,471.18
  4. Step 4: Simplify right side
    104,217.84x = 8,121,746,647.97
  5. Step 5: Solve for x
    x = 8,121,746,647.97/104,217.84
  6. Step 6: Final answer
    x = 77,930.48

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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.