Home / 117,558.45-162,248.99-66,573.81

Finding the Fourth Proportional to 117,558.45, 162,248.99 and 66,573.81

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Solution

The fourth proportional to 117,558.45, 162,248.99 and 66,573.81 is: 91,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,558.45 : 162,248.99 = 66,573.81 : x
  2. Step 2: Convert to fraction form
    117,558.45/162,248.99 = 66,573.81/x
  3. Step 3: Cross multiply
    117,558.45x = 162,248.99 × 66,573.81
  4. Step 4: Simplify right side
    117,558.45x = 10,801,533,100.08
  5. Step 5: Solve for x
    x = 10,801,533,100.08/117,558.45
  6. Step 6: Final answer
    x = 91,882.23

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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.