Home / 102,680.85-154,044.23-36,123.15

Finding the Fourth Proportional to 102,680.85, 154,044.23 and 36,123.15

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Solution

The fourth proportional to 102,680.85, 154,044.23 and 36,123.15 is: 54,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,680.85 : 154,044.23 = 36,123.15 : x
  2. Step 2: Convert to fraction form
    102,680.85/154,044.23 = 36,123.15/x
  3. Step 3: Cross multiply
    102,680.85x = 154,044.23 × 36,123.15
  4. Step 4: Simplify right side
    102,680.85x = 5,564,562,646.31
  5. Step 5: Solve for x
    x = 5,564,562,646.31/102,680.85
  6. Step 6: Final answer
    x = 54,192.80

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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.