Home / 75,151.98-112,769.46-41,890.77

Finding the Fourth Proportional to 75,151.98, 112,769.46 and 41,890.77

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Solution

The fourth proportional to 75,151.98, 112,769.46 and 41,890.77 is: 62,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,151.98 : 112,769.46 = 41,890.77 : x
  2. Step 2: Convert to fraction form
    75,151.98/112,769.46 = 41,890.77/x
  3. Step 3: Cross multiply
    75,151.98x = 112,769.46 × 41,890.77
  4. Step 4: Simplify right side
    75,151.98x = 4,723,999,511.88
  5. Step 5: Solve for x
    x = 4,723,999,511.88/75,151.98
  6. Step 6: Final answer
    x = 62,859.28

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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.