Home / 117,586.34-162,206.94-74,489.79

Finding the Fourth Proportional to 117,586.34, 162,206.94 and 74,489.79

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Solution

The fourth proportional to 117,586.34, 162,206.94 and 74,489.79 is: 102,756.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.34 : 162,206.94 = 74,489.79 : x
  2. Step 2: Convert to fraction form
    117,586.34/162,206.94 = 74,489.79/x
  3. Step 3: Cross multiply
    117,586.34x = 162,206.94 × 74,489.79
  4. Step 4: Simplify right side
    117,586.34x = 12,082,760,897.14
  5. Step 5: Solve for x
    x = 12,082,760,897.14/117,586.34
  6. Step 6: Final answer
    x = 102,756.51

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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.