Home / 42,136.53-63,197.87-14,056.80

Finding the Fourth Proportional to 42,136.53, 63,197.87 and 14,056.80

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Solution

The fourth proportional to 42,136.53, 63,197.87 and 14,056.80 is: 21,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.53 : 63,197.87 = 14,056.80 : x
  2. Step 2: Convert to fraction form
    42,136.53/63,197.87 = 14,056.80/x
  3. Step 3: Cross multiply
    42,136.53x = 63,197.87 × 14,056.80
  4. Step 4: Simplify right side
    42,136.53x = 888,359,503.03
  5. Step 5: Solve for x
    x = 888,359,503.03/42,136.53
  6. Step 6: Final answer
    x = 21,082.88

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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.