Home / 107,105.20-147,805.19-59,361.63

Finding the Fourth Proportional to 107,105.20, 147,805.19 and 59,361.63

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Solution

The fourth proportional to 107,105.20, 147,805.19 and 59,361.63 is: 81,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,105.20 : 147,805.19 = 59,361.63 : x
  2. Step 2: Convert to fraction form
    107,105.20/147,805.19 = 59,361.63/x
  3. Step 3: Cross multiply
    107,105.20x = 147,805.19 × 59,361.63
  4. Step 4: Simplify right side
    107,105.20x = 8,773,956,372.39
  5. Step 5: Solve for x
    x = 8,773,956,372.39/107,105.20
  6. Step 6: Final answer
    x = 81,919.05

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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.