Home / 82,923.40-124,385.01-20,593.90

Finding the Fourth Proportional to 82,923.40, 124,385.01 and 20,593.90

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Solution

The fourth proportional to 82,923.40, 124,385.01 and 20,593.90 is: 30,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,923.40 : 124,385.01 = 20,593.90 : x
  2. Step 2: Convert to fraction form
    82,923.40/124,385.01 = 20,593.90/x
  3. Step 3: Cross multiply
    82,923.40x = 124,385.01 × 20,593.90
  4. Step 4: Simplify right side
    82,923.40x = 2,561,572,457.44
  5. Step 5: Solve for x
    x = 2,561,572,457.44/82,923.40
  6. Step 6: Final answer
    x = 30,890.83

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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.