Home / 49,582.28-68,420.70-28,892.04

Finding the Fourth Proportional to 49,582.28, 68,420.70 and 28,892.04

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Solution

The fourth proportional to 49,582.28, 68,420.70 and 28,892.04 is: 39,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,582.28 : 68,420.70 = 28,892.04 : x
  2. Step 2: Convert to fraction form
    49,582.28/68,420.70 = 28,892.04/x
  3. Step 3: Cross multiply
    49,582.28x = 68,420.70 × 28,892.04
  4. Step 4: Simplify right side
    49,582.28x = 1,976,813,729.52
  5. Step 5: Solve for x
    x = 1,976,813,729.52/49,582.28
  6. Step 6: Final answer
    x = 39,869.36

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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.