Home / 117,586.59-162,207.28-74,490.04

Finding the Fourth Proportional to 117,586.59, 162,207.28 and 74,490.04

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Solution

The fourth proportional to 117,586.59, 162,207.28 and 74,490.04 is: 102,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,586.59 : 162,207.28 = 74,490.04 : x
  2. Step 2: Convert to fraction form
    117,586.59/162,207.28 = 74,490.04/x
  3. Step 3: Cross multiply
    117,586.59x = 162,207.28 × 74,490.04
  4. Step 4: Simplify right side
    117,586.59x = 12,082,826,775.49
  5. Step 5: Solve for x
    x = 12,082,826,775.49/117,586.59
  6. Step 6: Final answer
    x = 102,756.84

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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.