Home / 81,136.15-111,967.25-44,840.03

Finding the Fourth Proportional to 81,136.15, 111,967.25 and 44,840.03

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Solution

The fourth proportional to 81,136.15, 111,967.25 and 44,840.03 is: 61,878.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,136.15 : 111,967.25 = 44,840.03 : x
  2. Step 2: Convert to fraction form
    81,136.15/111,967.25 = 44,840.03/x
  3. Step 3: Cross multiply
    81,136.15x = 111,967.25 × 44,840.03
  4. Step 4: Simplify right side
    81,136.15x = 5,020,614,064.98
  5. Step 5: Solve for x
    x = 5,020,614,064.98/81,136.15
  6. Step 6: Final answer
    x = 61,878.88

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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.