Home / 50,982.14-70,356.64-28,320.04

Finding the Fourth Proportional to 50,982.14, 70,356.64 and 28,320.04

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Solution

The fourth proportional to 50,982.14, 70,356.64 and 28,320.04 is: 39,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,982.14 : 70,356.64 = 28,320.04 : x
  2. Step 2: Convert to fraction form
    50,982.14/70,356.64 = 28,320.04/x
  3. Step 3: Cross multiply
    50,982.14x = 70,356.64 × 28,320.04
  4. Step 4: Simplify right side
    50,982.14x = 1,992,502,859.07
  5. Step 5: Solve for x
    x = 1,992,502,859.07/50,982.14
  6. Step 6: Final answer
    x = 39,082.37

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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.