Home / 103,651.08-143,045.75-58,333.43

Finding the Fourth Proportional to 103,651.08, 143,045.75 and 58,333.43

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Solution

The fourth proportional to 103,651.08, 143,045.75 and 58,333.43 is: 80,504.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.08 : 143,045.75 = 58,333.43 : x
  2. Step 2: Convert to fraction form
    103,651.08/143,045.75 = 58,333.43/x
  3. Step 3: Cross multiply
    103,651.08x = 143,045.75 × 58,333.43
  4. Step 4: Simplify right side
    103,651.08x = 8,344,348,675.03
  5. Step 5: Solve for x
    x = 8,344,348,675.03/103,651.08
  6. Step 6: Final answer
    x = 80,504.21

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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.