Home / 102,712.10-154,084.53-35,236.46

Finding the Fourth Proportional to 102,712.10, 154,084.53 and 35,236.46

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Solution

The fourth proportional to 102,712.10, 154,084.53 and 35,236.46 is: 52,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,712.10 : 154,084.53 = 35,236.46 : x
  2. Step 2: Convert to fraction form
    102,712.10/154,084.53 = 35,236.46/x
  3. Step 3: Cross multiply
    102,712.10x = 154,084.53 × 35,236.46
  4. Step 4: Simplify right side
    102,712.10x = 5,429,392,607.54
  5. Step 5: Solve for x
    x = 5,429,392,607.54/102,712.10
  6. Step 6: Final answer
    x = 52,860.30

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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.