Home / 86,637.88-119,567.22-68,879.44

Finding the Fourth Proportional to 86,637.88, 119,567.22 and 68,879.44

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Solution

The fourth proportional to 86,637.88, 119,567.22 and 68,879.44 is: 95,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,637.88 : 119,567.22 = 68,879.44 : x
  2. Step 2: Convert to fraction form
    86,637.88/119,567.22 = 68,879.44/x
  3. Step 3: Cross multiply
    86,637.88x = 119,567.22 × 68,879.44
  4. Step 4: Simplify right side
    86,637.88x = 8,235,723,155.96
  5. Step 5: Solve for x
    x = 8,235,723,155.96/86,637.88
  6. Step 6: Final answer
    x = 95,059.15

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1.5x scale

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.