Home / 75,696.27-104,463.68-42,164.43

Finding the Fourth Proportional to 75,696.27, 104,463.68 and 42,164.43

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Solution

The fourth proportional to 75,696.27, 104,463.68 and 42,164.43 is: 58,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,696.27 : 104,463.68 = 42,164.43 : x
  2. Step 2: Convert to fraction form
    75,696.27/104,463.68 = 42,164.43/x
  3. Step 3: Cross multiply
    75,696.27x = 104,463.68 × 42,164.43
  4. Step 4: Simplify right side
    75,696.27x = 4,404,651,312.08
  5. Step 5: Solve for x
    x = 4,404,651,312.08/75,696.27
  6. Step 6: Final answer
    x = 58,188.49

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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.