Home / 84,905.44-127,356.72-29,500

Finding the Fourth Proportional to 84,905.44, 127,356.72 and 29,500

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Solution

The fourth proportional to 84,905.44, 127,356.72 and 29,500 is: 44,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,905.44 : 127,356.72 = 29,500 : x
  2. Step 2: Convert to fraction form
    84,905.44/127,356.72 = 29,500/x
  3. Step 3: Cross multiply
    84,905.44x = 127,356.72 × 29,500
  4. Step 4: Simplify right side
    84,905.44x = 3,757,023,240
  5. Step 5: Solve for x
    x = 3,757,023,240/84,905.44
  6. Step 6: Final answer
    x = 44,249.50

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1.5x scale

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.