Home / 63,911.40-95,867.10-57,690.60

Finding the Fourth Proportional to 63,911.40, 95,867.10 and 57,690.60

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Solution

The fourth proportional to 63,911.40, 95,867.10 and 57,690.60 is: 86,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,911.40 : 95,867.10 = 57,690.60 : x
  2. Step 2: Convert to fraction form
    63,911.40/95,867.10 = 57,690.60/x
  3. Step 3: Cross multiply
    63,911.40x = 95,867.10 × 57,690.60
  4. Step 4: Simplify right side
    63,911.40x = 5,530,630,519.26
  5. Step 5: Solve for x
    x = 5,530,630,519.26/63,911.40
  6. Step 6: Final answer
    x = 86,535.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.