Home / 51,260.40-76,912.20-27,903.60

Finding the Fourth Proportional to 51,260.40, 76,912.20 and 27,903.60

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Solution

The fourth proportional to 51,260.40, 76,912.20 and 27,903.60 is: 41,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,260.40 : 76,912.20 = 27,903.60 : x
  2. Step 2: Convert to fraction form
    51,260.40/76,912.20 = 27,903.60/x
  3. Step 3: Cross multiply
    51,260.40x = 76,912.20 × 27,903.60
  4. Step 4: Simplify right side
    51,260.40x = 2,146,127,263.92
  5. Step 5: Solve for x
    x = 2,146,127,263.92/51,260.40
  6. Step 6: Final answer
    x = 41,867.16

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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.