Home / 75,143.27-103,698.88-41,151.14

Finding the Fourth Proportional to 75,143.27, 103,698.88 and 41,151.14

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Solution

The fourth proportional to 75,143.27, 103,698.88 and 41,151.14 is: 56,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.27 : 103,698.88 = 41,151.14 : x
  2. Step 2: Convert to fraction form
    75,143.27/103,698.88 = 41,151.14/x
  3. Step 3: Cross multiply
    75,143.27x = 103,698.88 × 41,151.14
  4. Step 4: Simplify right side
    75,143.27x = 4,267,327,127.70
  5. Step 5: Solve for x
    x = 4,267,327,127.70/75,143.27
  6. Step 6: Final answer
    x = 56,789.21

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1.5x scale

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.