Home / 102,777.31-154,144.09-32,640.22

Finding the Fourth Proportional to 102,777.31, 154,144.09 and 32,640.22

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Solution

The fourth proportional to 102,777.31, 154,144.09 and 32,640.22 is: 48,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,777.31 : 154,144.09 = 32,640.22 : x
  2. Step 2: Convert to fraction form
    102,777.31/154,144.09 = 32,640.22/x
  3. Step 3: Cross multiply
    102,777.31x = 154,144.09 × 32,640.22
  4. Step 4: Simplify right side
    102,777.31x = 5,031,297,009.30
  5. Step 5: Solve for x
    x = 5,031,297,009.30/102,777.31
  6. Step 6: Final answer
    x = 48,953.38

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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.