Home / 66,604.61-91,899.23-39,741.91

Finding the Fourth Proportional to 66,604.61, 91,899.23 and 39,741.91

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Solution

The fourth proportional to 66,604.61, 91,899.23 and 39,741.91 is: 54,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,604.61 : 91,899.23 = 39,741.91 : x
  2. Step 2: Convert to fraction form
    66,604.61/91,899.23 = 39,741.91/x
  3. Step 3: Cross multiply
    66,604.61x = 91,899.23 × 39,741.91
  4. Step 4: Simplify right side
    66,604.61x = 3,652,250,499.27
  5. Step 5: Solve for x
    x = 3,652,250,499.27/66,604.61
  6. Step 6: Final answer
    x = 54,834.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.