Home / 84,158.56-116,143.26-48,350.89

Finding the Fourth Proportional to 84,158.56, 116,143.26 and 48,350.89

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Solution

The fourth proportional to 84,158.56, 116,143.26 and 48,350.89 is: 66,726.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.56 : 116,143.26 = 48,350.89 : x
  2. Step 2: Convert to fraction form
    84,158.56/116,143.26 = 48,350.89/x
  3. Step 3: Cross multiply
    84,158.56x = 116,143.26 × 48,350.89
  4. Step 4: Simplify right side
    84,158.56x = 5,615,629,952.36
  5. Step 5: Solve for x
    x = 5,615,629,952.36/84,158.56
  6. Step 6: Final answer
    x = 66,726.78

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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.