Home / 105,953.11-146,214.69-58,205.44

Finding the Fourth Proportional to 105,953.11, 146,214.69 and 58,205.44

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Solution

The fourth proportional to 105,953.11, 146,214.69 and 58,205.44 is: 80,323.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,953.11 : 146,214.69 = 58,205.44 : x
  2. Step 2: Convert to fraction form
    105,953.11/146,214.69 = 58,205.44/x
  3. Step 3: Cross multiply
    105,953.11x = 146,214.69 × 58,205.44
  4. Step 4: Simplify right side
    105,953.11x = 8,510,489,999.06
  5. Step 5: Solve for x
    x = 8,510,489,999.06/105,953.11
  6. Step 6: Final answer
    x = 80,323.17

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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.