Home / 109,838.56-164,785.52-50,715.68

Finding the Fourth Proportional to 109,838.56, 164,785.52 and 50,715.68

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Solution

The fourth proportional to 109,838.56, 164,785.52 and 50,715.68 is: 76,086.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.56 : 164,785.52 = 50,715.68 : x
  2. Step 2: Convert to fraction form
    109,838.56/164,785.52 = 50,715.68/x
  3. Step 3: Cross multiply
    109,838.56x = 164,785.52 × 50,715.68
  4. Step 4: Simplify right side
    109,838.56x = 8,357,209,700.95
  5. Step 5: Solve for x
    x = 8,357,209,700.95/109,838.56
  6. Step 6: Final answer
    x = 76,086.30

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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.