Home / 79,828.46-110,122.05-49,602.30

Finding the Fourth Proportional to 79,828.46, 110,122.05 and 49,602.30

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Solution

The fourth proportional to 79,828.46, 110,122.05 and 49,602.30 is: 68,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,828.46 : 110,122.05 = 49,602.30 : x
  2. Step 2: Convert to fraction form
    79,828.46/110,122.05 = 49,602.30/x
  3. Step 3: Cross multiply
    79,828.46x = 110,122.05 × 49,602.30
  4. Step 4: Simplify right side
    79,828.46x = 5,462,306,361.75
  5. Step 5: Solve for x
    x = 5,462,306,361.75/79,828.46
  6. Step 6: Final answer
    x = 68,425.55

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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.