Home / 117,054.96-161,536.42-66,069.85

Finding the Fourth Proportional to 117,054.96, 161,536.42 and 66,069.85

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Solution

The fourth proportional to 117,054.96, 161,536.42 and 66,069.85 is: 91,176.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,054.96 : 161,536.42 = 66,069.85 : x
  2. Step 2: Convert to fraction form
    117,054.96/161,536.42 = 66,069.85/x
  3. Step 3: Cross multiply
    117,054.96x = 161,536.42 × 66,069.85
  4. Step 4: Simplify right side
    117,054.96x = 10,672,687,038.94
  5. Step 5: Solve for x
    x = 10,672,687,038.94/117,054.96
  6. Step 6: Final answer
    x = 91,176.72

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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.