Home / 61,660.28-92,503.38-20,136.44

Finding the Fourth Proportional to 61,660.28, 92,503.38 and 20,136.44

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Solution

The fourth proportional to 61,660.28, 92,503.38 and 20,136.44 is: 30,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,660.28 : 92,503.38 = 20,136.44 : x
  2. Step 2: Convert to fraction form
    61,660.28/92,503.38 = 20,136.44/x
  3. Step 3: Cross multiply
    61,660.28x = 92,503.38 × 20,136.44
  4. Step 4: Simplify right side
    61,660.28x = 1,862,688,761.17
  5. Step 5: Solve for x
    x = 1,862,688,761.17/61,660.28
  6. Step 6: Final answer
    x = 30,208.89

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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.