Home / 102,906.30-154,359.45-62,816.70

Finding the Fourth Proportional to 102,906.30, 154,359.45 and 62,816.70

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Solution

The fourth proportional to 102,906.30, 154,359.45 and 62,816.70 is: 94,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,906.30 : 154,359.45 = 62,816.70 : x
  2. Step 2: Convert to fraction form
    102,906.30/154,359.45 = 62,816.70/x
  3. Step 3: Cross multiply
    102,906.30x = 154,359.45 × 62,816.70
  4. Step 4: Simplify right side
    102,906.30x = 9,696,351,262.82
  5. Step 5: Solve for x
    x = 9,696,351,262.82/102,906.30
  6. Step 6: Final answer
    x = 94,225.05

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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.