Home / 68,983.56-95,198.15-42,122.34

Finding the Fourth Proportional to 68,983.56, 95,198.15 and 42,122.34

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Solution

The fourth proportional to 68,983.56, 95,198.15 and 42,122.34 is: 58,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,983.56 : 95,198.15 = 42,122.34 : x
  2. Step 2: Convert to fraction form
    68,983.56/95,198.15 = 42,122.34/x
  3. Step 3: Cross multiply
    68,983.56x = 95,198.15 × 42,122.34
  4. Step 4: Simplify right side
    68,983.56x = 4,009,968,631.06
  5. Step 5: Solve for x
    x = 4,009,968,631.06/68,983.56
  6. Step 6: Final answer
    x = 58,129.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.