Home / 66,379.98-99,340.34-63,624.36

Finding the Fourth Proportional to 66,379.98, 99,340.34 and 63,624.36

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Solution

The fourth proportional to 66,379.98, 99,340.34 and 63,624.36 is: 95,216.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379.98 : 99,340.34 = 63,624.36 : x
  2. Step 2: Convert to fraction form
    66,379.98/99,340.34 = 63,624.36/x
  3. Step 3: Cross multiply
    66,379.98x = 99,340.34 × 63,624.36
  4. Step 4: Simplify right side
    66,379.98x = 6,320,465,236.56
  5. Step 5: Solve for x
    x = 6,320,465,236.56/66,379.98
  6. Step 6: Final answer
    x = 95,216.44

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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.