Home / 117,074.58-161,562.33-63,359.61

Finding the Fourth Proportional to 117,074.58, 161,562.33 and 63,359.61

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Solution

The fourth proportional to 117,074.58, 161,562.33 and 63,359.61 is: 87,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,074.58 : 161,562.33 = 63,359.61 : x
  2. Step 2: Convert to fraction form
    117,074.58/161,562.33 = 63,359.61/x
  3. Step 3: Cross multiply
    117,074.58x = 161,562.33 × 63,359.61
  4. Step 4: Simplify right side
    117,074.58x = 10,236,526,219.49
  5. Step 5: Solve for x
    x = 10,236,526,219.49/117,074.58
  6. Step 6: Final answer
    x = 87,435.94

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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.