Home / 117,586.84-162,207.64-74,490.30

Finding the Fourth Proportional to 117,586.84, 162,207.64 and 74,490.30

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Solution

The fourth proportional to 117,586.84, 162,207.64 and 74,490.30 is: 102,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.84 : 162,207.64 = 74,490.30 : x
  2. Step 2: Convert to fraction form
    117,586.84/162,207.64 = 74,490.30/x
  3. Step 3: Cross multiply
    117,586.84x = 162,207.64 × 74,490.30
  4. Step 4: Simplify right side
    117,586.84x = 12,082,895,765.89
  5. Step 5: Solve for x
    x = 12,082,895,765.89/117,586.84
  6. Step 6: Final answer
    x = 102,757.21

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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.