Home / 102,740.20-153,944.70-58,234.60

Finding the Fourth Proportional to 102,740.20, 153,944.70 and 58,234.60

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Solution

The fourth proportional to 102,740.20, 153,944.70 and 58,234.60 is: 87,258.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,740.20 : 153,944.70 = 58,234.60 : x
  2. Step 2: Convert to fraction form
    102,740.20/153,944.70 = 58,234.60/x
  3. Step 3: Cross multiply
    102,740.20x = 153,944.70 × 58,234.60
  4. Step 4: Simplify right side
    102,740.20x = 8,964,908,026.62
  5. Step 5: Solve for x
    x = 8,964,908,026.62/102,740.20
  6. Step 6: Final answer
    x = 87,258.04

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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.