Home / 86,512.82-119,385.33-48,790.58

Finding the Fourth Proportional to 86,512.82, 119,385.33 and 48,790.58

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Solution

The fourth proportional to 86,512.82, 119,385.33 and 48,790.58 is: 67,329.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,512.82 : 119,385.33 = 48,790.58 : x
  2. Step 2: Convert to fraction form
    86,512.82/119,385.33 = 48,790.58/x
  3. Step 3: Cross multiply
    86,512.82x = 119,385.33 × 48,790.58
  4. Step 4: Simplify right side
    86,512.82x = 5,824,879,494.19
  5. Step 5: Solve for x
    x = 5,824,879,494.19/86,512.82
  6. Step 6: Final answer
    x = 67,329.67

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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.