Home / 84,964.55-127,438.54-25,800.73

Finding the Fourth Proportional to 84,964.55, 127,438.54 and 25,800.73

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Solution

The fourth proportional to 84,964.55, 127,438.54 and 25,800.73 is: 38,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.55 : 127,438.54 = 25,800.73 : x
  2. Step 2: Convert to fraction form
    84,964.55/127,438.54 = 25,800.73/x
  3. Step 3: Cross multiply
    84,964.55x = 127,438.54 × 25,800.73
  4. Step 4: Simplify right side
    84,964.55x = 3,288,007,051.60
  5. Step 5: Solve for x
    x = 3,288,007,051.60/84,964.55
  6. Step 6: Final answer
    x = 38,698.58

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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.