Home / 50,148.36-75,171.89-31,441.53

Finding the Fourth Proportional to 50,148.36, 75,171.89 and 31,441.53

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Solution

The fourth proportional to 50,148.36, 75,171.89 and 31,441.53 is: 47,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,148.36 : 75,171.89 = 31,441.53 : x
  2. Step 2: Convert to fraction form
    50,148.36/75,171.89 = 31,441.53/x
  3. Step 3: Cross multiply
    50,148.36x = 75,171.89 × 31,441.53
  4. Step 4: Simplify right side
    50,148.36x = 2,363,519,077.38
  5. Step 5: Solve for x
    x = 2,363,519,077.38/50,148.36
  6. Step 6: Final answer
    x = 47,130.54

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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.