Home / 106,579.96-147,079.64-58,833.28

Finding the Fourth Proportional to 106,579.96, 147,079.64 and 58,833.28

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Solution

The fourth proportional to 106,579.96, 147,079.64 and 58,833.28 is: 81,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,579.96 : 147,079.64 = 58,833.28 : x
  2. Step 2: Convert to fraction form
    106,579.96/147,079.64 = 58,833.28/x
  3. Step 3: Cross multiply
    106,579.96x = 147,079.64 × 58,833.28
  4. Step 4: Simplify right side
    106,579.96x = 8,653,177,642.42
  5. Step 5: Solve for x
    x = 8,653,177,642.42/106,579.96
  6. Step 6: Final answer
    x = 81,189.54

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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.