Home / 86,948.58-119,993.55-48,705.90

Finding the Fourth Proportional to 86,948.58, 119,993.55 and 48,705.90

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Solution

The fourth proportional to 86,948.58, 119,993.55 and 48,705.90 is: 67,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.58 : 119,993.55 = 48,705.90 : x
  2. Step 2: Convert to fraction form
    86,948.58/119,993.55 = 48,705.90/x
  3. Step 3: Cross multiply
    86,948.58x = 119,993.55 × 48,705.90
  4. Step 4: Simplify right side
    86,948.58x = 5,844,393,846.95
  5. Step 5: Solve for x
    x = 5,844,393,846.95/86,948.58
  6. Step 6: Final answer
    x = 67,216.67

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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.