Home / 106,679.06-147,216.63-58,932.43

Finding the Fourth Proportional to 106,679.06, 147,216.63 and 58,932.43

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Solution

The fourth proportional to 106,679.06, 147,216.63 and 58,932.43 is: 81,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,679.06 : 147,216.63 = 58,932.43 : x
  2. Step 2: Convert to fraction form
    106,679.06/147,216.63 = 58,932.43/x
  3. Step 3: Cross multiply
    106,679.06x = 147,216.63 × 58,932.43
  4. Step 4: Simplify right side
    106,679.06x = 8,675,833,742.31
  5. Step 5: Solve for x
    x = 8,675,833,742.31/106,679.06
  6. Step 6: Final answer
    x = 81,326.49

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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.