Home / 75,143.08-103,698.73-41,151.03

Finding the Fourth Proportional to 75,143.08, 103,698.73 and 41,151.03

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Solution

The fourth proportional to 75,143.08, 103,698.73 and 41,151.03 is: 56,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.08 : 103,698.73 = 41,151.03 : x
  2. Step 2: Convert to fraction form
    75,143.08/103,698.73 = 41,151.03/x
  3. Step 3: Cross multiply
    75,143.08x = 103,698.73 × 41,151.03
  4. Step 4: Simplify right side
    75,143.08x = 4,267,309,549.19
  5. Step 5: Solve for x
    x = 4,267,309,549.19/75,143.08
  6. Step 6: Final answer
    x = 56,789.12

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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.