Home / 51,542.33-71,129.14-31,400.06

Finding the Fourth Proportional to 51,542.33, 71,129.14 and 31,400.06

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Solution

The fourth proportional to 51,542.33, 71,129.14 and 31,400.06 is: 43,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542.33 : 71,129.14 = 31,400.06 : x
  2. Step 2: Convert to fraction form
    51,542.33/71,129.14 = 31,400.06/x
  3. Step 3: Cross multiply
    51,542.33x = 71,129.14 × 31,400.06
  4. Step 4: Simplify right side
    51,542.33x = 2,233,458,829.60
  5. Step 5: Solve for x
    x = 2,233,458,829.60/51,542.33
  6. Step 6: Final answer
    x = 43,332.52

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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.