Home / 75,082.14-103,636.42-43,272.23

Finding the Fourth Proportional to 75,082.14, 103,636.42 and 43,272.23

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Solution

The fourth proportional to 75,082.14, 103,636.42 and 43,272.23 is: 59,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082.14 : 103,636.42 = 43,272.23 : x
  2. Step 2: Convert to fraction form
    75,082.14/103,636.42 = 43,272.23/x
  3. Step 3: Cross multiply
    75,082.14x = 103,636.42 × 43,272.23
  4. Step 4: Simplify right side
    75,082.14x = 4,484,579,002.62
  5. Step 5: Solve for x
    x = 4,484,579,002.62/75,082.14
  6. Step 6: Final answer
    x = 59,728.97

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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.