Home / 66,277.85-99,383.76-28,321.25

Finding the Fourth Proportional to 66,277.85, 99,383.76 and 28,321.25

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Solution

The fourth proportional to 66,277.85, 99,383.76 and 28,321.25 is: 42,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.85 : 99,383.76 = 28,321.25 : x
  2. Step 2: Convert to fraction form
    66,277.85/99,383.76 = 28,321.25/x
  3. Step 3: Cross multiply
    66,277.85x = 99,383.76 × 28,321.25
  4. Step 4: Simplify right side
    66,277.85x = 2,814,671,815.98
  5. Step 5: Solve for x
    x = 2,814,671,815.98/66,277.85
  6. Step 6: Final answer
    x = 42,467.76

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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.