Home / 89,954.22-124,136.94-49,668.02

Finding the Fourth Proportional to 89,954.22, 124,136.94 and 49,668.02

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Solution

The fourth proportional to 89,954.22, 124,136.94 and 49,668.02 is: 68,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.22 : 124,136.94 = 49,668.02 : x
  2. Step 2: Convert to fraction form
    89,954.22/124,136.94 = 49,668.02/x
  3. Step 3: Cross multiply
    89,954.22x = 124,136.94 × 49,668.02
  4. Step 4: Simplify right side
    89,954.22x = 6,165,636,018.66
  5. Step 5: Solve for x
    x = 6,165,636,018.66/89,954.22
  6. Step 6: Final answer
    x = 68,541.93

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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.