Home / 102,876.90-154,276.20-36,304.62

Finding the Fourth Proportional to 102,876.90, 154,276.20 and 36,304.62

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Solution

The fourth proportional to 102,876.90, 154,276.20 and 36,304.62 is: 54,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,876.90 : 154,276.20 = 36,304.62 : x
  2. Step 2: Convert to fraction form
    102,876.90/154,276.20 = 36,304.62/x
  3. Step 3: Cross multiply
    102,876.90x = 154,276.20 × 36,304.62
  4. Step 4: Simplify right side
    102,876.90x = 5,600,938,816.04
  5. Step 5: Solve for x
    x = 5,600,938,816.04/102,876.90
  6. Step 6: Final answer
    x = 54,443.11

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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.