Home / 98,512.20-147,768.30-27,434.70

Finding the Fourth Proportional to 98,512.20, 147,768.30 and 27,434.70

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Solution

The fourth proportional to 98,512.20, 147,768.30 and 27,434.70 is: 41,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,512.20 : 147,768.30 = 27,434.70 : x
  2. Step 2: Convert to fraction form
    98,512.20/147,768.30 = 27,434.70/x
  3. Step 3: Cross multiply
    98,512.20x = 147,768.30 × 27,434.70
  4. Step 4: Simplify right side
    98,512.20x = 4,053,978,980.01
  5. Step 5: Solve for x
    x = 4,053,978,980.01/98,512.20
  6. Step 6: Final answer
    x = 41,152.05

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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.