Home / 53,005.02-73,136.79-36,231.90

Finding the Fourth Proportional to 53,005.02, 73,136.79 and 36,231.90

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Solution

The fourth proportional to 53,005.02, 73,136.79 and 36,231.90 is: 49,993.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.02 : 73,136.79 = 36,231.90 : x
  2. Step 2: Convert to fraction form
    53,005.02/73,136.79 = 36,231.90/x
  3. Step 3: Cross multiply
    53,005.02x = 73,136.79 × 36,231.90
  4. Step 4: Simplify right side
    53,005.02x = 2,649,884,861.60
  5. Step 5: Solve for x
    x = 2,649,884,861.60/53,005.02
  6. Step 6: Final answer
    x = 49,993.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.