Home / 109,764.64-164,522.70-50,477.92

Finding the Fourth Proportional to 109,764.64, 164,522.70 and 50,477.92

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Solution

The fourth proportional to 109,764.64, 164,522.70 and 50,477.92 is: 75,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.64 : 164,522.70 = 50,477.92 : x
  2. Step 2: Convert to fraction form
    109,764.64/164,522.70 = 50,477.92/x
  3. Step 3: Cross multiply
    109,764.64x = 164,522.70 × 50,477.92
  4. Step 4: Simplify right side
    109,764.64x = 8,304,763,688.78
  5. Step 5: Solve for x
    x = 8,304,763,688.78/109,764.64
  6. Step 6: Final answer
    x = 75,659.74

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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.