Home / 50,757.08-70,071.30-31,642.68

Finding the Fourth Proportional to 50,757.08, 70,071.30 and 31,642.68

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Solution

The fourth proportional to 50,757.08, 70,071.30 and 31,642.68 is: 43,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.08 : 70,071.30 = 31,642.68 : x
  2. Step 2: Convert to fraction form
    50,757.08/70,071.30 = 31,642.68/x
  3. Step 3: Cross multiply
    50,757.08x = 70,071.30 × 31,642.68
  4. Step 4: Simplify right side
    50,757.08x = 2,217,243,723.08
  5. Step 5: Solve for x
    x = 2,217,243,723.08/50,757.08
  6. Step 6: Final answer
    x = 43,683.44

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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.