Home / 84,270.56-116,291.31-48,459.75

Finding the Fourth Proportional to 84,270.56, 116,291.31 and 48,459.75

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Solution

The fourth proportional to 84,270.56, 116,291.31 and 48,459.75 is: 66,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,270.56 : 116,291.31 = 48,459.75 : x
  2. Step 2: Convert to fraction form
    84,270.56/116,291.31 = 48,459.75/x
  3. Step 3: Cross multiply
    84,270.56x = 116,291.31 × 48,459.75
  4. Step 4: Simplify right side
    84,270.56x = 5,635,447,809.77
  5. Step 5: Solve for x
    x = 5,635,447,809.77/84,270.56
  6. Step 6: Final answer
    x = 66,873.27

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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.