Home / 49,354.84-68,105.64-28,130.14

Finding the Fourth Proportional to 49,354.84, 68,105.64 and 28,130.14

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Solution

The fourth proportional to 49,354.84, 68,105.64 and 28,130.14 is: 38,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,354.84 : 68,105.64 = 28,130.14 : x
  2. Step 2: Convert to fraction form
    49,354.84/68,105.64 = 28,130.14/x
  3. Step 3: Cross multiply
    49,354.84x = 68,105.64 × 28,130.14
  4. Step 4: Simplify right side
    49,354.84x = 1,915,821,187.99
  5. Step 5: Solve for x
    x = 1,915,821,187.99/49,354.84
  6. Step 6: Final answer
    x = 38,817.29

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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.