Home / 82,027.80-123,099.30-35,314.20

Finding the Fourth Proportional to 82,027.80, 123,099.30 and 35,314.20

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Solution

The fourth proportional to 82,027.80, 123,099.30 and 35,314.20 is: 52,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,027.80 : 123,099.30 = 35,314.20 : x
  2. Step 2: Convert to fraction form
    82,027.80/123,099.30 = 35,314.20/x
  3. Step 3: Cross multiply
    82,027.80x = 123,099.30 × 35,314.20
  4. Step 4: Simplify right side
    82,027.80x = 4,347,153,300.06
  5. Step 5: Solve for x
    x = 4,347,153,300.06/82,027.80
  6. Step 6: Final answer
    x = 52,996.10

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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.