Home / 45,814.23-68,742-29,169.95

Finding the Fourth Proportional to 45,814.23, 68,742 and 29,169.95

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Solution

The fourth proportional to 45,814.23, 68,742 and 29,169.95 is: 43,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.23 : 68,742 = 29,169.95 : x
  2. Step 2: Convert to fraction form
    45,814.23/68,742 = 29,169.95/x
  3. Step 3: Cross multiply
    45,814.23x = 68,742 × 29,169.95
  4. Step 4: Simplify right side
    45,814.23x = 2,005,200,359.19
  5. Step 5: Solve for x
    x = 2,005,200,359.19/45,814.23
  6. Step 6: Final answer
    x = 43,768.07

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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.