Home / 109,819.40-151,553.40-62,072.93

Finding the Fourth Proportional to 109,819.40, 151,553.40 and 62,072.93

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Solution

The fourth proportional to 109,819.40, 151,553.40 and 62,072.93 is: 85,662.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.40 : 151,553.40 = 62,072.93 : x
  2. Step 2: Convert to fraction form
    109,819.40/151,553.40 = 62,072.93/x
  3. Step 3: Cross multiply
    109,819.40x = 151,553.40 × 62,072.93
  4. Step 4: Simplify right side
    109,819.40x = 9,407,363,589.46
  5. Step 5: Solve for x
    x = 9,407,363,589.46/109,819.40
  6. Step 6: Final answer
    x = 85,662.13

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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.