Home / 105,956.09-146,222.11-58,210.64

Finding the Fourth Proportional to 105,956.09, 146,222.11 and 58,210.64

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Solution

The fourth proportional to 105,956.09, 146,222.11 and 58,210.64 is: 80,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.09 : 146,222.11 = 58,210.64 : x
  2. Step 2: Convert to fraction form
    105,956.09/146,222.11 = 58,210.64/x
  3. Step 3: Cross multiply
    105,956.09x = 146,222.11 × 58,210.64
  4. Step 4: Simplify right side
    105,956.09x = 8,511,682,605.25
  5. Step 5: Solve for x
    x = 8,511,682,605.25/105,956.09
  6. Step 6: Final answer
    x = 80,332.17

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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.