Home / 117,167.84-161,690.75-63,451.61

Finding the Fourth Proportional to 117,167.84, 161,690.75 and 63,451.61

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Solution

The fourth proportional to 117,167.84, 161,690.75 and 63,451.61 is: 87,562.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,167.84 : 161,690.75 = 63,451.61 : x
  2. Step 2: Convert to fraction form
    117,167.84/161,690.75 = 63,451.61/x
  3. Step 3: Cross multiply
    117,167.84x = 161,690.75 × 63,451.61
  4. Step 4: Simplify right side
    117,167.84x = 10,259,537,601.15
  5. Step 5: Solve for x
    x = 10,259,537,601.15/117,167.84
  6. Step 6: Final answer
    x = 87,562.75

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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.