Home / 106,146.32-146,478.44-58,399.28

Finding the Fourth Proportional to 106,146.32, 146,478.44 and 58,399.28

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Solution

The fourth proportional to 106,146.32, 146,478.44 and 58,399.28 is: 80,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.32 : 146,478.44 = 58,399.28 : x
  2. Step 2: Convert to fraction form
    106,146.32/146,478.44 = 58,399.28/x
  3. Step 3: Cross multiply
    106,146.32x = 146,478.44 × 58,399.28
  4. Step 4: Simplify right side
    106,146.32x = 8,554,235,431.52
  5. Step 5: Solve for x
    x = 8,554,235,431.52/106,146.32
  6. Step 6: Final answer
    x = 80,589.09

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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.