Home / 107,435.57-161,111.84-36,339.30

Finding the Fourth Proportional to 107,435.57, 161,111.84 and 36,339.30

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Solution

The fourth proportional to 107,435.57, 161,111.84 and 36,339.30 is: 54,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,435.57 : 161,111.84 = 36,339.30 : x
  2. Step 2: Convert to fraction form
    107,435.57/161,111.84 = 36,339.30/x
  3. Step 3: Cross multiply
    107,435.57x = 161,111.84 × 36,339.30
  4. Step 4: Simplify right side
    107,435.57x = 5,854,691,305.62
  5. Step 5: Solve for x
    x = 5,854,691,305.62/107,435.57
  6. Step 6: Final answer
    x = 54,494.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.