Home / 85,229.28-127,902.24-43,705.44

Finding the Fourth Proportional to 85,229.28, 127,902.24 and 43,705.44

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Solution

The fourth proportional to 85,229.28, 127,902.24 and 43,705.44 is: 65,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.28 : 127,902.24 = 43,705.44 : x
  2. Step 2: Convert to fraction form
    85,229.28/127,902.24 = 43,705.44/x
  3. Step 3: Cross multiply
    85,229.28x = 127,902.24 × 43,705.44
  4. Step 4: Simplify right side
    85,229.28x = 5,590,023,676.19
  5. Step 5: Solve for x
    x = 5,590,023,676.19/85,229.28
  6. Step 6: Final answer
    x = 65,588.07

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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.