Home / 107,162.56-147,874.44-59,415.04

Finding the Fourth Proportional to 107,162.56, 147,874.44 and 59,415.04

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Solution

The fourth proportional to 107,162.56, 147,874.44 and 59,415.04 is: 81,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,162.56 : 147,874.44 = 59,415.04 : x
  2. Step 2: Convert to fraction form
    107,162.56/147,874.44 = 59,415.04/x
  3. Step 3: Cross multiply
    107,162.56x = 147,874.44 × 59,415.04
  4. Step 4: Simplify right side
    107,162.56x = 8,785,965,767.58
  5. Step 5: Solve for x
    x = 8,785,965,767.58/107,162.56
  6. Step 6: Final answer
    x = 81,987.27

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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.