Home / 49,834.45-74,786.72-45,070.17

Finding the Fourth Proportional to 49,834.45, 74,786.72 and 45,070.17

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Solution

The fourth proportional to 49,834.45, 74,786.72 and 45,070.17 is: 67,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,834.45 : 74,786.72 = 45,070.17 : x
  2. Step 2: Convert to fraction form
    49,834.45/74,786.72 = 45,070.17/x
  3. Step 3: Cross multiply
    49,834.45x = 74,786.72 × 45,070.17
  4. Step 4: Simplify right side
    49,834.45x = 3,370,650,184.14
  5. Step 5: Solve for x
    x = 3,370,650,184.14/49,834.45
  6. Step 6: Final answer
    x = 67,636.95

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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.