Home / 84,780.87-116,984.01-48,964.29

Finding the Fourth Proportional to 84,780.87, 116,984.01 and 48,964.29

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Solution

The fourth proportional to 84,780.87, 116,984.01 and 48,964.29 is: 67,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,780.87 : 116,984.01 = 48,964.29 : x
  2. Step 2: Convert to fraction form
    84,780.87/116,984.01 = 48,964.29/x
  3. Step 3: Cross multiply
    84,780.87x = 116,984.01 × 48,964.29
  4. Step 4: Simplify right side
    84,780.87x = 5,728,038,991.00
  5. Step 5: Solve for x
    x = 5,728,038,991.00/84,780.87
  6. Step 6: Final answer
    x = 67,562.87

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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.