Home / 89,980.48-124,174-49,695.27

Finding the Fourth Proportional to 89,980.48, 124,174 and 49,695.27

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Solution

The fourth proportional to 89,980.48, 124,174 and 49,695.27 is: 68,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,980.48 : 124,174 = 49,695.27 : x
  2. Step 2: Convert to fraction form
    89,980.48/124,174 = 49,695.27/x
  3. Step 3: Cross multiply
    89,980.48x = 124,174 × 49,695.27
  4. Step 4: Simplify right side
    89,980.48x = 6,170,860,456.98
  5. Step 5: Solve for x
    x = 6,170,860,456.98/89,980.48
  6. Step 6: Final answer
    x = 68,579.99

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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.