Home / 66,379.48-99,339.58-63,623.86

Finding the Fourth Proportional to 66,379.48, 99,339.58 and 63,623.86

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Solution

The fourth proportional to 66,379.48, 99,339.58 and 63,623.86 is: 95,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,379.48 : 99,339.58 = 63,623.86 : x
  2. Step 2: Convert to fraction form
    66,379.48/99,339.58 = 63,623.86/x
  3. Step 3: Cross multiply
    66,379.48x = 99,339.58 × 63,623.86
  4. Step 4: Simplify right side
    66,379.48x = 6,320,367,530.38
  5. Step 5: Solve for x
    x = 6,320,367,530.38/66,379.48
  6. Step 6: Final answer
    x = 95,215.68

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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.