Home / 106,550.64-147,042-58,808.16

Finding the Fourth Proportional to 106,550.64, 147,042 and 58,808.16

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Solution

The fourth proportional to 106,550.64, 147,042 and 58,808.16 is: 81,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,550.64 : 147,042 = 58,808.16 : x
  2. Step 2: Convert to fraction form
    106,550.64/147,042 = 58,808.16/x
  3. Step 3: Cross multiply
    106,550.64x = 147,042 × 58,808.16
  4. Step 4: Simplify right side
    106,550.64x = 8,647,269,462.72
  5. Step 5: Solve for x
    x = 8,647,269,462.72/106,550.64
  6. Step 6: Final answer
    x = 81,156.43

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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.