Home / 102,824.20-154,139.10-60,736.60

Finding the Fourth Proportional to 102,824.20, 154,139.10 and 60,736.60

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Solution

The fourth proportional to 102,824.20, 154,139.10 and 60,736.60 is: 91,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,824.20 : 154,139.10 = 60,736.60 : x
  2. Step 2: Convert to fraction form
    102,824.20/154,139.10 = 60,736.60/x
  3. Step 3: Cross multiply
    102,824.20x = 154,139.10 × 60,736.60
  4. Step 4: Simplify right side
    102,824.20x = 9,361,884,861.06
  5. Step 5: Solve for x
    x = 9,361,884,861.06/102,824.20
  6. Step 6: Final answer
    x = 91,047.49

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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.