Home / 84,267.90-116,336.41-57,449.81

Finding the Fourth Proportional to 84,267.90, 116,336.41 and 57,449.81

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Solution

The fourth proportional to 84,267.90, 116,336.41 and 57,449.81 is: 79,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,267.90 : 116,336.41 = 57,449.81 : x
  2. Step 2: Convert to fraction form
    84,267.90/116,336.41 = 57,449.81/x
  3. Step 3: Cross multiply
    84,267.90x = 116,336.41 × 57,449.81
  4. Step 4: Simplify right side
    84,267.90x = 6,683,504,797.80
  5. Step 5: Solve for x
    x = 6,683,504,797.80/84,267.90
  6. Step 6: Final answer
    x = 79,312.58

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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.