Home / 52,131.81-71,983.31-48,151.47

Finding the Fourth Proportional to 52,131.81, 71,983.31 and 48,151.47

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Solution

The fourth proportional to 52,131.81, 71,983.31 and 48,151.47 is: 66,487.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,131.81 : 71,983.31 = 48,151.47 : x
  2. Step 2: Convert to fraction form
    52,131.81/71,983.31 = 48,151.47/x
  3. Step 3: Cross multiply
    52,131.81x = 71,983.31 × 48,151.47
  4. Step 4: Simplify right side
    52,131.81x = 3,466,102,191.97
  5. Step 5: Solve for x
    x = 3,466,102,191.97/52,131.81
  6. Step 6: Final answer
    x = 66,487.28

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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.