Home / 84,393.33-126,551.03-31,071.92

Finding the Fourth Proportional to 84,393.33, 126,551.03 and 31,071.92

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Solution

The fourth proportional to 84,393.33, 126,551.03 and 31,071.92 is: 46,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,393.33 : 126,551.03 = 31,071.92 : x
  2. Step 2: Convert to fraction form
    84,393.33/126,551.03 = 31,071.92/x
  3. Step 3: Cross multiply
    84,393.33x = 126,551.03 × 31,071.92
  4. Step 4: Simplify right side
    84,393.33x = 3,932,182,847.32
  5. Step 5: Solve for x
    x = 3,932,182,847.32/84,393.33
  6. Step 6: Final answer
    x = 46,593.53

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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.