Home / 84,179.68-116,168.63-45,939.53

Finding the Fourth Proportional to 84,179.68, 116,168.63 and 45,939.53

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Solution

The fourth proportional to 84,179.68, 116,168.63 and 45,939.53 is: 63,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,179.68 : 116,168.63 = 45,939.53 : x
  2. Step 2: Convert to fraction form
    84,179.68/116,168.63 = 45,939.53/x
  3. Step 3: Cross multiply
    84,179.68x = 116,168.63 × 45,939.53
  4. Step 4: Simplify right side
    84,179.68x = 5,336,732,323.67
  5. Step 5: Solve for x
    x = 5,336,732,323.67/84,179.68
  6. Step 6: Final answer
    x = 63,396.92

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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.