Home / 82,319.80-123,537.30-35,606.20

Finding the Fourth Proportional to 82,319.80, 123,537.30 and 35,606.20

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Solution

The fourth proportional to 82,319.80, 123,537.30 and 35,606.20 is: 53,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,319.80 : 123,537.30 = 35,606.20 : x
  2. Step 2: Convert to fraction form
    82,319.80/123,537.30 = 35,606.20/x
  3. Step 3: Cross multiply
    82,319.80x = 123,537.30 × 35,606.20
  4. Step 4: Simplify right side
    82,319.80x = 4,398,693,811.26
  5. Step 5: Solve for x
    x = 4,398,693,811.26/82,319.80
  6. Step 6: Final answer
    x = 53,434.21

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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.