Home / 116,531.39-160,811.73-65,544.11

Finding the Fourth Proportional to 116,531.39, 160,811.73 and 65,544.11

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Solution

The fourth proportional to 116,531.39, 160,811.73 and 65,544.11 is: 90,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,531.39 : 160,811.73 = 65,544.11 : x
  2. Step 2: Convert to fraction form
    116,531.39/160,811.73 = 65,544.11/x
  3. Step 3: Cross multiply
    116,531.39x = 160,811.73 × 65,544.11
  4. Step 4: Simplify right side
    116,531.39x = 10,540,261,971.68
  5. Step 5: Solve for x
    x = 10,540,261,971.68/116,531.39
  6. Step 6: Final answer
    x = 90,449.98

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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.