Home / 84,777.30-127,186.20-25,613.55

Finding the Fourth Proportional to 84,777.30, 127,186.20 and 25,613.55

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Solution

The fourth proportional to 84,777.30, 127,186.20 and 25,613.55 is: 38,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,777.30 : 127,186.20 = 25,613.55 : x
  2. Step 2: Convert to fraction form
    84,777.30/127,186.20 = 25,613.55/x
  3. Step 3: Cross multiply
    84,777.30x = 127,186.20 × 25,613.55
  4. Step 4: Simplify right side
    84,777.30x = 3,257,690,093.01
  5. Step 5: Solve for x
    x = 3,257,690,093.01/84,777.30
  6. Step 6: Final answer
    x = 38,426.44

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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.