Home / 106,029.18-159,043.83-49,828.05

Finding the Fourth Proportional to 106,029.18, 159,043.83 and 49,828.05

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Solution

The fourth proportional to 106,029.18, 159,043.83 and 49,828.05 is: 74,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,029.18 : 159,043.83 = 49,828.05 : x
  2. Step 2: Convert to fraction form
    106,029.18/159,043.83 = 49,828.05/x
  3. Step 3: Cross multiply
    106,029.18x = 159,043.83 × 49,828.05
  4. Step 4: Simplify right side
    106,029.18x = 7,924,843,913.43
  5. Step 5: Solve for x
    x = 7,924,843,913.43/106,029.18
  6. Step 6: Final answer
    x = 74,742.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.