Home / 84,932.30-127,529.67-45,566.30

Finding the Fourth Proportional to 84,932.30, 127,529.67 and 45,566.30

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Solution

The fourth proportional to 84,932.30, 127,529.67 and 45,566.30 is: 68,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,932.30 : 127,529.67 = 45,566.30 : x
  2. Step 2: Convert to fraction form
    84,932.30/127,529.67 = 45,566.30/x
  3. Step 3: Cross multiply
    84,932.30x = 127,529.67 × 45,566.30
  4. Step 4: Simplify right side
    84,932.30x = 5,811,055,202.12
  5. Step 5: Solve for x
    x = 5,811,055,202.12/84,932.30
  6. Step 6: Final answer
    x = 68,419.85

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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.