Home / 83,562.90-115,325.09-47,758.06

Finding the Fourth Proportional to 83,562.90, 115,325.09 and 47,758.06

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Solution

The fourth proportional to 83,562.90, 115,325.09 and 47,758.06 is: 65,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,562.90 : 115,325.09 = 47,758.06 : x
  2. Step 2: Convert to fraction form
    83,562.90/115,325.09 = 47,758.06/x
  3. Step 3: Cross multiply
    83,562.90x = 115,325.09 × 47,758.06
  4. Step 4: Simplify right side
    83,562.90x = 5,507,702,567.73
  5. Step 5: Solve for x
    x = 5,507,702,567.73/83,562.90
  6. Step 6: Final answer
    x = 65,910.86

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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.