Home / 117,053.96-161,535.04-66,068.85

Finding the Fourth Proportional to 117,053.96, 161,535.04 and 66,068.85

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Solution

The fourth proportional to 117,053.96, 161,535.04 and 66,068.85 is: 91,175.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,053.96 : 161,535.04 = 66,068.85 : x
  2. Step 2: Convert to fraction form
    117,053.96/161,535.04 = 66,068.85/x
  3. Step 3: Cross multiply
    117,053.96x = 161,535.04 × 66,068.85
  4. Step 4: Simplify right side
    117,053.96x = 10,672,434,162.33
  5. Step 5: Solve for x
    x = 10,672,434,162.33/117,053.96
  6. Step 6: Final answer
    x = 91,175.33

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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.