Home / 81,983.59-122,951.62-34,609.22

Finding the Fourth Proportional to 81,983.59, 122,951.62 and 34,609.22

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Solution

The fourth proportional to 81,983.59, 122,951.62 and 34,609.22 is: 51,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,983.59 : 122,951.62 = 34,609.22 : x
  2. Step 2: Convert to fraction form
    81,983.59/122,951.62 = 34,609.22/x
  3. Step 3: Cross multiply
    81,983.59x = 122,951.62 × 34,609.22
  4. Step 4: Simplify right side
    81,983.59x = 4,255,260,247.11
  5. Step 5: Solve for x
    x = 4,255,260,247.11/81,983.59
  6. Step 6: Final answer
    x = 51,903.80

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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.