Home / 66,277.86-99,379.14-45,243.38

Finding the Fourth Proportional to 66,277.86, 99,379.14 and 45,243.38

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Solution

The fourth proportional to 66,277.86, 99,379.14 and 45,243.38 is: 67,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,277.86 : 99,379.14 = 45,243.38 : x
  2. Step 2: Convert to fraction form
    66,277.86/99,379.14 = 45,243.38/x
  3. Step 3: Cross multiply
    66,277.86x = 99,379.14 × 45,243.38
  4. Step 4: Simplify right side
    66,277.86x = 4,496,247,698.20
  5. Step 5: Solve for x
    x = 4,496,247,698.20/66,277.86
  6. Step 6: Final answer
    x = 67,839.36

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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.