Home / 75,082.20-103,636.51-43,272.29

Finding the Fourth Proportional to 75,082.20, 103,636.51 and 43,272.29

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Solution

The fourth proportional to 75,082.20, 103,636.51 and 43,272.29 is: 59,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.20 : 103,636.51 = 43,272.29 : x
  2. Step 2: Convert to fraction form
    75,082.20/103,636.51 = 43,272.29/x
  3. Step 3: Cross multiply
    75,082.20x = 103,636.51 × 43,272.29
  4. Step 4: Simplify right side
    75,082.20x = 4,484,589,115.31
  5. Step 5: Solve for x
    x = 4,484,589,115.31/75,082.20
  6. Step 6: Final answer
    x = 59,729.06

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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.