Home / 68,479.12-94,530.29-41,630.21

Finding the Fourth Proportional to 68,479.12, 94,530.29 and 41,630.21

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Solution

The fourth proportional to 68,479.12, 94,530.29 and 41,630.21 is: 57,467.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,479.12 : 94,530.29 = 41,630.21 : x
  2. Step 2: Convert to fraction form
    68,479.12/94,530.29 = 41,630.21/x
  3. Step 3: Cross multiply
    68,479.12x = 94,530.29 × 41,630.21
  4. Step 4: Simplify right side
    68,479.12x = 3,935,315,143.26
  5. Step 5: Solve for x
    x = 3,935,315,143.26/68,479.12
  6. Step 6: Final answer
    x = 57,467.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.