Home / 117,573.45-162,269.70-66,588.81

Finding the Fourth Proportional to 117,573.45, 162,269.70 and 66,588.81

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Solution

The fourth proportional to 117,573.45, 162,269.70 and 66,588.81 is: 91,902.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,573.45 : 162,269.70 = 66,588.81 : x
  2. Step 2: Convert to fraction form
    117,573.45/162,269.70 = 66,588.81/x
  3. Step 3: Cross multiply
    117,573.45x = 162,269.70 × 66,588.81
  4. Step 4: Simplify right side
    117,573.45x = 10,805,346,222.06
  5. Step 5: Solve for x
    x = 10,805,346,222.06/117,573.45
  6. Step 6: Final answer
    x = 91,902.94

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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.