Home / 79,890.70-119,744.98-49,918.77

Finding the Fourth Proportional to 79,890.70, 119,744.98 and 49,918.77

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Solution

The fourth proportional to 79,890.70, 119,744.98 and 49,918.77 is: 74,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,890.70 : 119,744.98 = 49,918.77 : x
  2. Step 2: Convert to fraction form
    79,890.70/119,744.98 = 49,918.77/x
  3. Step 3: Cross multiply
    79,890.70x = 119,744.98 × 49,918.77
  4. Step 4: Simplify right side
    79,890.70x = 5,977,521,990.48
  5. Step 5: Solve for x
    x = 5,977,521,990.48/79,890.70
  6. Step 6: Final answer
    x = 74,821.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.