Home / 82,205.80-123,366.30-35,492.20

Finding the Fourth Proportional to 82,205.80, 123,366.30 and 35,492.20

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Solution

The fourth proportional to 82,205.80, 123,366.30 and 35,492.20 is: 53,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,205.80 : 123,366.30 = 35,492.20 : x
  2. Step 2: Convert to fraction form
    82,205.80/123,366.30 = 35,492.20/x
  3. Step 3: Cross multiply
    82,205.80x = 123,366.30 × 35,492.20
  4. Step 4: Simplify right side
    82,205.80x = 4,378,541,392.86
  5. Step 5: Solve for x
    x = 4,378,541,392.86/82,205.80
  6. Step 6: Final answer
    x = 53,263.17

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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.