Home / 106,406.76-146,840.79-58,659.96

Finding the Fourth Proportional to 106,406.76, 146,840.79 and 58,659.96

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Solution

The fourth proportional to 106,406.76, 146,840.79 and 58,659.96 is: 80,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.76 : 146,840.79 = 58,659.96 : x
  2. Step 2: Convert to fraction form
    106,406.76/146,840.79 = 58,659.96/x
  3. Step 3: Cross multiply
    106,406.76x = 146,840.79 × 58,659.96
  4. Step 4: Simplify right side
    106,406.76x = 8,613,674,867.77
  5. Step 5: Solve for x
    x = 8,613,674,867.77/106,406.76
  6. Step 6: Final answer
    x = 80,950.45

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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.