Home / 107,126.40-147,835.92-58,732.88

Finding the Fourth Proportional to 107,126.40, 147,835.92 and 58,732.88

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Solution

The fourth proportional to 107,126.40, 147,835.92 and 58,732.88 is: 81,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,126.40 : 147,835.92 = 58,732.88 : x
  2. Step 2: Convert to fraction form
    107,126.40/147,835.92 = 58,732.88/x
  3. Step 3: Cross multiply
    107,126.40x = 147,835.92 × 58,732.88
  4. Step 4: Simplify right side
    107,126.40x = 8,682,828,609.87
  5. Step 5: Solve for x
    x = 8,682,828,609.87/107,126.40
  6. Step 6: Final answer
    x = 81,052.18

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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.