Home / 75,143.34-103,696.65-41,151.56

Finding the Fourth Proportional to 75,143.34, 103,696.65 and 41,151.56

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Solution

The fourth proportional to 75,143.34, 103,696.65 and 41,151.56 is: 56,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,143.34 : 103,696.65 = 41,151.56 : x
  2. Step 2: Convert to fraction form
    75,143.34/103,696.65 = 41,151.56/x
  3. Step 3: Cross multiply
    75,143.34x = 103,696.65 × 41,151.56
  4. Step 4: Simplify right side
    75,143.34x = 4,267,278,395.79
  5. Step 5: Solve for x
    x = 4,267,278,395.79/75,143.34
  6. Step 6: Final answer
    x = 56,788.51

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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.