Home / 70,165.10-96,827.94-39,950.43

Finding the Fourth Proportional to 70,165.10, 96,827.94 and 39,950.43

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Solution

The fourth proportional to 70,165.10, 96,827.94 and 39,950.43 is: 55,131.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,165.10 : 96,827.94 = 39,950.43 : x
  2. Step 2: Convert to fraction form
    70,165.10/96,827.94 = 39,950.43/x
  3. Step 3: Cross multiply
    70,165.10x = 96,827.94 × 39,950.43
  4. Step 4: Simplify right side
    70,165.10x = 3,868,317,839.01
  5. Step 5: Solve for x
    x = 3,868,317,839.01/70,165.10
  6. Step 6: Final answer
    x = 55,131.66

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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.