Home / 84,905.28-127,182.90-49,738.32

Finding the Fourth Proportional to 84,905.28, 127,182.90 and 49,738.32

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Solution

The fourth proportional to 84,905.28, 127,182.90 and 49,738.32 is: 74,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,905.28 : 127,182.90 = 49,738.32 : x
  2. Step 2: Convert to fraction form
    84,905.28/127,182.90 = 49,738.32/x
  3. Step 3: Cross multiply
    84,905.28x = 127,182.90 × 49,738.32
  4. Step 4: Simplify right side
    84,905.28x = 6,325,863,778.73
  5. Step 5: Solve for x
    x = 6,325,863,778.73/84,905.28
  6. Step 6: Final answer
    x = 74,504.95

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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.