Home / 83,203.11-114,802.20-49,213.47

Finding the Fourth Proportional to 83,203.11, 114,802.20 and 49,213.47

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Solution

The fourth proportional to 83,203.11, 114,802.20 and 49,213.47 is: 67,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,203.11 : 114,802.20 = 49,213.47 : x
  2. Step 2: Convert to fraction form
    83,203.11/114,802.20 = 49,213.47/x
  3. Step 3: Cross multiply
    83,203.11x = 114,802.20 × 49,213.47
  4. Step 4: Simplify right side
    83,203.11x = 5,649,814,625.63
  5. Step 5: Solve for x
    x = 5,649,814,625.63/83,203.11
  6. Step 6: Final answer
    x = 67,903.89

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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.