Home / 84,847.13-117,099.36-49,037.43

Finding the Fourth Proportional to 84,847.13, 117,099.36 and 49,037.43

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Solution

The fourth proportional to 84,847.13, 117,099.36 and 49,037.43 is: 67,677.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.13 : 117,099.36 = 49,037.43 : x
  2. Step 2: Convert to fraction form
    84,847.13/117,099.36 = 49,037.43/x
  3. Step 3: Cross multiply
    84,847.13x = 117,099.36 × 49,037.43
  4. Step 4: Simplify right side
    84,847.13x = 5,742,251,669.04
  5. Step 5: Solve for x
    x = 5,742,251,669.04/84,847.13
  6. Step 6: Final answer
    x = 67,677.62

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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.