Home / 49,579.84-68,415.96-28,354.96

Finding the Fourth Proportional to 49,579.84, 68,415.96 and 28,354.96

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Solution

The fourth proportional to 49,579.84, 68,415.96 and 28,354.96 is: 39,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.84 : 68,415.96 = 28,354.96 : x
  2. Step 2: Convert to fraction form
    49,579.84/68,415.96 = 28,354.96/x
  3. Step 3: Cross multiply
    49,579.84x = 68,415.96 × 28,354.96
  4. Step 4: Simplify right side
    49,579.84x = 1,939,931,809.16
  5. Step 5: Solve for x
    x = 1,939,931,809.16/49,579.84
  6. Step 6: Final answer
    x = 39,127.43

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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.