Home / 116,489.12-174,758.52-66,593.12

Finding the Fourth Proportional to 116,489.12, 174,758.52 and 66,593.12

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Solution

The fourth proportional to 116,489.12, 174,758.52 and 66,593.12 is: 99,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,489.12 : 174,758.52 = 66,593.12 : x
  2. Step 2: Convert to fraction form
    116,489.12/174,758.52 = 66,593.12/x
  3. Step 3: Cross multiply
    116,489.12x = 174,758.52 × 66,593.12
  4. Step 4: Simplify right side
    116,489.12x = 11,637,715,093.38
  5. Step 5: Solve for x
    x = 11,637,715,093.38/116,489.12
  6. Step 6: Final answer
    x = 99,903.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.