Home / 84,824.80-127,289.20-34,928.80

Finding the Fourth Proportional to 84,824.80, 127,289.20 and 34,928.80

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Solution

The fourth proportional to 84,824.80, 127,289.20 and 34,928.80 is: 52,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,824.80 : 127,289.20 = 34,928.80 : x
  2. Step 2: Convert to fraction form
    84,824.80/127,289.20 = 34,928.80/x
  3. Step 3: Cross multiply
    84,824.80x = 127,289.20 × 34,928.80
  4. Step 4: Simplify right side
    84,824.80x = 4,446,059,008.96
  5. Step 5: Solve for x
    x = 4,446,059,008.96/84,824.80
  6. Step 6: Final answer
    x = 52,414.61

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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.