Home / 75,142.30-103,696.59-41,151.10

Finding the Fourth Proportional to 75,142.30, 103,696.59 and 41,151.10

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Solution

The fourth proportional to 75,142.30, 103,696.59 and 41,151.10 is: 56,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,142.30 : 103,696.59 = 41,151.10 : x
  2. Step 2: Convert to fraction form
    75,142.30/103,696.59 = 41,151.10/x
  3. Step 3: Cross multiply
    75,142.30x = 103,696.59 × 41,151.10
  4. Step 4: Simplify right side
    75,142.30x = 4,267,228,744.75
  5. Step 5: Solve for x
    x = 4,267,228,744.75/75,142.30
  6. Step 6: Final answer
    x = 56,788.64

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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.