Home / 102,018.28-152,876.74-49,365.04

Finding the Fourth Proportional to 102,018.28, 152,876.74 and 49,365.04

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Solution

The fourth proportional to 102,018.28, 152,876.74 and 49,365.04 is: 73,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,018.28 : 152,876.74 = 49,365.04 : x
  2. Step 2: Convert to fraction form
    102,018.28/152,876.74 = 49,365.04/x
  3. Step 3: Cross multiply
    102,018.28x = 152,876.74 × 49,365.04
  4. Step 4: Simplify right side
    102,018.28x = 7,546,766,385.17
  5. Step 5: Solve for x
    x = 7,546,766,385.17/102,018.28
  6. Step 6: Final answer
    x = 73,974.65

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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.