Home / 106,034.91-146,328.35-58,288.56

Finding the Fourth Proportional to 106,034.91, 146,328.35 and 58,288.56

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Solution

The fourth proportional to 106,034.91, 146,328.35 and 58,288.56 is: 80,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,034.91 : 146,328.35 = 58,288.56 : x
  2. Step 2: Convert to fraction form
    106,034.91/146,328.35 = 58,288.56/x
  3. Step 3: Cross multiply
    106,034.91x = 146,328.35 × 58,288.56
  4. Step 4: Simplify right side
    106,034.91x = 8,529,268,808.68
  5. Step 5: Solve for x
    x = 8,529,268,808.68/106,034.91
  6. Step 6: Final answer
    x = 80,438.31

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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.