Home / 76,896.62-106,136.67-43,382.06

Finding the Fourth Proportional to 76,896.62, 106,136.67 and 43,382.06

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Solution

The fourth proportional to 76,896.62, 106,136.67 and 43,382.06 is: 59,878.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.62 : 106,136.67 = 43,382.06 : x
  2. Step 2: Convert to fraction form
    76,896.62/106,136.67 = 43,382.06/x
  3. Step 3: Cross multiply
    76,896.62x = 106,136.67 × 43,382.06
  4. Step 4: Simplify right side
    76,896.62x = 4,604,427,386.14
  5. Step 5: Solve for x
    x = 4,604,427,386.14/76,896.62
  6. Step 6: Final answer
    x = 59,878.15

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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.