Home / 82,799.90-114,046.20-63,643.04

Finding the Fourth Proportional to 82,799.90, 114,046.20 and 63,643.04

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Solution

The fourth proportional to 82,799.90, 114,046.20 and 63,643.04 is: 87,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,799.90 : 114,046.20 = 63,643.04 : x
  2. Step 2: Convert to fraction form
    82,799.90/114,046.20 = 63,643.04/x
  3. Step 3: Cross multiply
    82,799.90x = 114,046.20 × 63,643.04
  4. Step 4: Simplify right side
    82,799.90x = 7,258,246,868.45
  5. Step 5: Solve for x
    x = 7,258,246,868.45/82,799.90
  6. Step 6: Final answer
    x = 87,660.09

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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.