Home / 86,609.06-119,518.19-48,367.55

Finding the Fourth Proportional to 86,609.06, 119,518.19 and 48,367.55

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Solution

The fourth proportional to 86,609.06, 119,518.19 and 48,367.55 is: 66,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,609.06 : 119,518.19 = 48,367.55 : x
  2. Step 2: Convert to fraction form
    86,609.06/119,518.19 = 48,367.55/x
  3. Step 3: Cross multiply
    86,609.06x = 119,518.19 × 48,367.55
  4. Step 4: Simplify right side
    86,609.06x = 5,780,801,788.90
  5. Step 5: Solve for x
    x = 5,780,801,788.90/86,609.06
  6. Step 6: Final answer
    x = 66,745.92

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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.